Home / 2,980,332.28-4,112,744.25-1,691,095.78

Finding the Fourth Proportional to 2,980,332.28, 4,112,744.25 and 1,691,095.78

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Solution

The fourth proportional to 2,980,332.28, 4,112,744.25 and 1,691,095.78 is: 2,333,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,332.28 : 4,112,744.25 = 1,691,095.78 : x
  2. Step 2: Convert to fraction form
    2,980,332.28/4,112,744.25 = 1,691,095.78/x
  3. Step 3: Cross multiply
    2,980,332.28x = 4,112,744.25 × 1,691,095.78
  4. Step 4: Simplify right side
    2,980,332.28x = 6,955,044,445,394.27
  5. Step 5: Solve for x
    x = 6,955,044,445,394.27/2,980,332.28
  6. Step 6: Final answer
    x = 2,333,647.32

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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.