Home / 2,078,792.70-3,117,541.05-817,007.10

Finding the Fourth Proportional to 2,078,792.70, 3,117,541.05 and 817,007.10

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Solution

The fourth proportional to 2,078,792.70, 3,117,541.05 and 817,007.10 is: 1,225,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,792.70 : 3,117,541.05 = 817,007.10 : x
  2. Step 2: Convert to fraction form
    2,078,792.70/3,117,541.05 = 817,007.10/x
  3. Step 3: Cross multiply
    2,078,792.70x = 3,117,541.05 × 817,007.10
  4. Step 4: Simplify right side
    2,078,792.70x = 2,547,053,172,391.45
  5. Step 5: Solve for x
    x = 2,547,053,172,391.45/2,078,792.70
  6. Step 6: Final answer
    x = 1,225,255.97

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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.