Home / 1,805,435.46-2,490,048.18-1,587,177.48

Finding the Fourth Proportional to 1,805,435.46, 2,490,048.18 and 1,587,177.48

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Solution

The fourth proportional to 1,805,435.46, 2,490,048.18 and 1,587,177.48 is: 2,189,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,435.46 : 2,490,048.18 = 1,587,177.48 : x
  2. Step 2: Convert to fraction form
    1,805,435.46/2,490,048.18 = 1,587,177.48/x
  3. Step 3: Cross multiply
    1,805,435.46x = 2,490,048.18 × 1,587,177.48
  4. Step 4: Simplify right side
    1,805,435.46x = 3,952,148,395,410.99
  5. Step 5: Solve for x
    x = 3,952,148,395,410.99/1,805,435.46
  6. Step 6: Final answer
    x = 2,189,027.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.