Home / 2,158,203.20-3,237,304.80-1,038,459.20

Finding the Fourth Proportional to 2,158,203.20, 3,237,304.80 and 1,038,459.20

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Solution

The fourth proportional to 2,158,203.20, 3,237,304.80 and 1,038,459.20 is: 1,557,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,203.20 : 3,237,304.80 = 1,038,459.20 : x
  2. Step 2: Convert to fraction form
    2,158,203.20/3,237,304.80 = 1,038,459.20/x
  3. Step 3: Cross multiply
    2,158,203.20x = 3,237,304.80 × 1,038,459.20
  4. Step 4: Simplify right side
    2,158,203.20x = 3,361,808,952,764.16
  5. Step 5: Solve for x
    x = 3,361,808,952,764.16/2,158,203.20
  6. Step 6: Final answer
    x = 1,557,688.80

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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.