Home / 2,631,742.40-3,948,002.40-834,795.20

Finding the Fourth Proportional to 2,631,742.40, 3,948,002.40 and 834,795.20

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Solution

The fourth proportional to 2,631,742.40, 3,948,002.40 and 834,795.20 is: 1,252,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,742.40 : 3,948,002.40 = 834,795.20 : x
  2. Step 2: Convert to fraction form
    2,631,742.40/3,948,002.40 = 834,795.20/x
  3. Step 3: Cross multiply
    2,631,742.40x = 3,948,002.40 × 834,795.20
  4. Step 4: Simplify right side
    2,631,742.40x = 3,295,773,453,108.48
  5. Step 5: Solve for x
    x = 3,295,773,453,108.48/2,631,742.40
  6. Step 6: Final answer
    x = 1,252,316.13

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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.