Home / 4,481,830.40-6,720,762.72-1,286,215.16

Finding the Fourth Proportional to 4,481,830.40, 6,720,762.72 and 1,286,215.16

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Solution

The fourth proportional to 4,481,830.40, 6,720,762.72 and 1,286,215.16 is: 1,928,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481,830.40 : 6,720,762.72 = 1,286,215.16 : x
  2. Step 2: Convert to fraction form
    4,481,830.40/6,720,762.72 = 1,286,215.16/x
  3. Step 3: Cross multiply
    4,481,830.40x = 6,720,762.72 × 1,286,215.16
  4. Step 4: Simplify right side
    4,481,830.40x = 8,644,346,897,226.83
  5. Step 5: Solve for x
    x = 8,644,346,897,226.83/4,481,830.40
  6. Step 6: Final answer
    x = 1,928,753.68

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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.