Home / 3,946,787.13-5,921,116.70-1,287,395.13

Finding the Fourth Proportional to 3,946,787.13, 5,921,116.70 and 1,287,395.13

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Solution

The fourth proportional to 3,946,787.13, 5,921,116.70 and 1,287,395.13 is: 1,931,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,787.13 : 5,921,116.70 = 1,287,395.13 : x
  2. Step 2: Convert to fraction form
    3,946,787.13/5,921,116.70 = 1,287,395.13/x
  3. Step 3: Cross multiply
    3,946,787.13x = 5,921,116.70 × 1,287,395.13
  4. Step 4: Simplify right side
    3,946,787.13x = 7,622,816,803,741.67
  5. Step 5: Solve for x
    x = 7,622,816,803,741.67/3,946,787.13
  6. Step 6: Final answer
    x = 1,931,398.01

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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.