Home / 3,158,116.29-4,737,130.43-761,940.81

Finding the Fourth Proportional to 3,158,116.29, 4,737,130.43 and 761,940.81

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Solution

The fourth proportional to 3,158,116.29, 4,737,130.43 and 761,940.81 is: 1,142,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,116.29 : 4,737,130.43 = 761,940.81 : x
  2. Step 2: Convert to fraction form
    3,158,116.29/4,737,130.43 = 761,940.81/x
  3. Step 3: Cross multiply
    3,158,116.29x = 4,737,130.43 × 761,940.81
  4. Step 4: Simplify right side
    3,158,116.29x = 3,609,412,993,100.14
  5. Step 5: Solve for x
    x = 3,609,412,993,100.14/3,158,116.29
  6. Step 6: Final answer
    x = 1,142,900.60

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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.