Home / 2,128,032.40-3,192,048.60-2,002,061.20

Finding the Fourth Proportional to 2,128,032.40, 3,192,048.60 and 2,002,061.20

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Solution

The fourth proportional to 2,128,032.40, 3,192,048.60 and 2,002,061.20 is: 3,003,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,032.40 : 3,192,048.60 = 2,002,061.20 : x
  2. Step 2: Convert to fraction form
    2,128,032.40/3,192,048.60 = 2,002,061.20/x
  3. Step 3: Cross multiply
    2,128,032.40x = 3,192,048.60 × 2,002,061.20
  4. Step 4: Simplify right side
    2,128,032.40x = 6,390,676,650,574.32
  5. Step 5: Solve for x
    x = 6,390,676,650,574.32/2,128,032.40
  6. Step 6: Final answer
    x = 3,003,091.80

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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.