Home / 1,886,817.20-2,831,386.14-749,380.40

Finding the Fourth Proportional to 1,886,817.20, 2,831,386.14 and 749,380.40

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Solution

The fourth proportional to 1,886,817.20, 2,831,386.14 and 749,380.40 is: 1,124,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,817.20 : 2,831,386.14 = 749,380.40 : x
  2. Step 2: Convert to fraction form
    1,886,817.20/2,831,386.14 = 749,380.40/x
  3. Step 3: Cross multiply
    1,886,817.20x = 2,831,386.14 × 749,380.40
  4. Step 4: Simplify right side
    1,886,817.20x = 2,121,785,278,147.66
  5. Step 5: Solve for x
    x = 2,121,785,278,147.66/1,886,817.20
  6. Step 6: Final answer
    x = 1,124,531.45

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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.