Home / 2,103,816.71-3,160,210.57-1,980,815.47

Finding the Fourth Proportional to 2,103,816.71, 3,160,210.57 and 1,980,815.47

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Solution

The fourth proportional to 2,103,816.71, 3,160,210.57 and 1,980,815.47 is: 2,975,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,816.71 : 3,160,210.57 = 1,980,815.47 : x
  2. Step 2: Convert to fraction form
    2,103,816.71/3,160,210.57 = 1,980,815.47/x
  3. Step 3: Cross multiply
    2,103,816.71x = 3,160,210.57 × 1,980,815.47
  4. Step 4: Simplify right side
    2,103,816.71x = 6,259,793,985,513.52
  5. Step 5: Solve for x
    x = 6,259,793,985,513.52/2,103,816.71
  6. Step 6: Final answer
    x = 2,975,446.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.