Home / 2,287,681.70-3,430,921.12-1,087,215.53

Finding the Fourth Proportional to 2,287,681.70, 3,430,921.12 and 1,087,215.53

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Solution

The fourth proportional to 2,287,681.70, 3,430,921.12 and 1,087,215.53 is: 1,630,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,681.70 : 3,430,921.12 = 1,087,215.53 : x
  2. Step 2: Convert to fraction form
    2,287,681.70/3,430,921.12 = 1,087,215.53/x
  3. Step 3: Cross multiply
    2,287,681.70x = 3,430,921.12 × 1,087,215.53
  4. Step 4: Simplify right side
    2,287,681.70x = 3,730,150,703,996.35
  5. Step 5: Solve for x
    x = 3,730,150,703,996.35/2,287,681.70
  6. Step 6: Final answer
    x = 1,630,537.46

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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.