Home / 3,556,528.57-4,908,128.28-2,179,606.23

Finding the Fourth Proportional to 3,556,528.57, 4,908,128.28 and 2,179,606.23

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Solution

The fourth proportional to 3,556,528.57, 4,908,128.28 and 2,179,606.23 is: 3,007,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,528.57 : 4,908,128.28 = 2,179,606.23 : x
  2. Step 2: Convert to fraction form
    3,556,528.57/4,908,128.28 = 2,179,606.23/x
  3. Step 3: Cross multiply
    3,556,528.57x = 4,908,128.28 × 2,179,606.23
  4. Step 4: Simplify right side
    3,556,528.57x = 10,697,786,975,455.96
  5. Step 5: Solve for x
    x = 10,697,786,975,455.96/3,556,528.57
  6. Step 6: Final answer
    x = 3,007,929.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.