Home / 2,189,148.70-3,278,193.45-1,437,123.10

Finding the Fourth Proportional to 2,189,148.70, 3,278,193.45 and 1,437,123.10

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Solution

The fourth proportional to 2,189,148.70, 3,278,193.45 and 1,437,123.10 is: 2,152,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,148.70 : 3,278,193.45 = 1,437,123.10 : x
  2. Step 2: Convert to fraction form
    2,189,148.70/3,278,193.45 = 1,437,123.10/x
  3. Step 3: Cross multiply
    2,189,148.70x = 3,278,193.45 × 1,437,123.10
  4. Step 4: Simplify right side
    2,189,148.70x = 4,711,167,533,263.70
  5. Step 5: Solve for x
    x = 4,711,167,533,263.70/2,189,148.70
  6. Step 6: Final answer
    x = 2,152,054.60

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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.