Home / 2,130,304.32-3,195,483.84-1,189,658.88

Finding the Fourth Proportional to 2,130,304.32, 3,195,483.84 and 1,189,658.88

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Solution

The fourth proportional to 2,130,304.32, 3,195,483.84 and 1,189,658.88 is: 1,784,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,304.32 : 3,195,483.84 = 1,189,658.88 : x
  2. Step 2: Convert to fraction form
    2,130,304.32/3,195,483.84 = 1,189,658.88/x
  3. Step 3: Cross multiply
    2,130,304.32x = 3,195,483.84 × 1,189,658.88
  4. Step 4: Simplify right side
    2,130,304.32x = 3,801,535,726,152.50
  5. Step 5: Solve for x
    x = 3,801,535,726,152.50/2,130,304.32
  6. Step 6: Final answer
    x = 1,784,503.60

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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.