Home / 1,989,875.16-2,984,812.74-493,967.16

Finding the Fourth Proportional to 1,989,875.16, 2,984,812.74 and 493,967.16

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Solution

The fourth proportional to 1,989,875.16, 2,984,812.74 and 493,967.16 is: 740,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,875.16 : 2,984,812.74 = 493,967.16 : x
  2. Step 2: Convert to fraction form
    1,989,875.16/2,984,812.74 = 493,967.16/x
  3. Step 3: Cross multiply
    1,989,875.16x = 2,984,812.74 × 493,967.16
  4. Step 4: Simplify right side
    1,989,875.16x = 1,474,399,472,309.62
  5. Step 5: Solve for x
    x = 1,474,399,472,309.62/1,989,875.16
  6. Step 6: Final answer
    x = 740,950.74

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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.