Home / 3,509,471.28-4,842,981.04-1,960,744.80

Finding the Fourth Proportional to 3,509,471.28, 4,842,981.04 and 1,960,744.80

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Solution

The fourth proportional to 3,509,471.28, 4,842,981.04 and 1,960,744.80 is: 2,705,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,471.28 : 4,842,981.04 = 1,960,744.80 : x
  2. Step 2: Convert to fraction form
    3,509,471.28/4,842,981.04 = 1,960,744.80/x
  3. Step 3: Cross multiply
    3,509,471.28x = 4,842,981.04 × 1,960,744.80
  4. Step 4: Simplify right side
    3,509,471.28x = 9,495,849,890,678.59
  5. Step 5: Solve for x
    x = 9,495,849,890,678.59/3,509,471.28
  6. Step 6: Final answer
    x = 2,705,777.92

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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.