Home / 2,615,770.08-3,609,646.56-1,528,142.40

Finding the Fourth Proportional to 2,615,770.08, 3,609,646.56 and 1,528,142.40

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Solution

The fourth proportional to 2,615,770.08, 3,609,646.56 and 1,528,142.40 is: 2,108,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,770.08 : 3,609,646.56 = 1,528,142.40 : x
  2. Step 2: Convert to fraction form
    2,615,770.08/3,609,646.56 = 1,528,142.40/x
  3. Step 3: Cross multiply
    2,615,770.08x = 3,609,646.56 × 1,528,142.40
  4. Step 4: Simplify right side
    2,615,770.08x = 5,516,053,957,350.14
  5. Step 5: Solve for x
    x = 5,516,053,957,350.14/2,615,770.08
  6. Step 6: Final answer
    x = 2,108,768.66

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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.