Home / 1,875,623.40-2,809,287.90-1,451,572.20

Finding the Fourth Proportional to 1,875,623.40, 2,809,287.90 and 1,451,572.20

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Solution

The fourth proportional to 1,875,623.40, 2,809,287.90 and 1,451,572.20 is: 2,174,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,623.40 : 2,809,287.90 = 1,451,572.20 : x
  2. Step 2: Convert to fraction form
    1,875,623.40/2,809,287.90 = 1,451,572.20/x
  3. Step 3: Cross multiply
    1,875,623.40x = 2,809,287.90 × 1,451,572.20
  4. Step 4: Simplify right side
    1,875,623.40x = 4,077,884,217,436.38
  5. Step 5: Solve for x
    x = 4,077,884,217,436.38/1,875,623.40
  6. Step 6: Final answer
    x = 2,174,148.72

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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.