Home / 2,981,320.38-4,114,345.74-1,692,280.70

Finding the Fourth Proportional to 2,981,320.38, 4,114,345.74 and 1,692,280.70

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Solution

The fourth proportional to 2,981,320.38, 4,114,345.74 and 1,692,280.70 is: 2,335,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,320.38 : 4,114,345.74 = 1,692,280.70 : x
  2. Step 2: Convert to fraction form
    2,981,320.38/4,114,345.74 = 1,692,280.70/x
  3. Step 3: Cross multiply
    2,981,320.38x = 4,114,345.74 × 1,692,280.70
  4. Step 4: Simplify right side
    2,981,320.38x = 6,962,627,888,929.22
  5. Step 5: Solve for x
    x = 6,962,627,888,929.22/2,981,320.38
  6. Step 6: Final answer
    x = 2,335,417.53

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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.