Home / 1,989,551.62-2,984,957.96-710,130.73

Finding the Fourth Proportional to 1,989,551.62, 2,984,957.96 and 710,130.73

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Solution

The fourth proportional to 1,989,551.62, 2,984,957.96 and 710,130.73 is: 1,065,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,551.62 : 2,984,957.96 = 710,130.73 : x
  2. Step 2: Convert to fraction form
    1,989,551.62/2,984,957.96 = 710,130.73/x
  3. Step 3: Cross multiply
    1,989,551.62x = 2,984,957.96 × 710,130.73
  4. Step 4: Simplify right side
    1,989,551.62x = 2,119,710,381,852.46
  5. Step 5: Solve for x
    x = 2,119,710,381,852.46/1,989,551.62
  6. Step 6: Final answer
    x = 1,065,421.15

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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.