Home / 3,119,226.80-4,678,494.60-2,557,281.20

Finding the Fourth Proportional to 3,119,226.80, 4,678,494.60 and 2,557,281.20

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Solution

The fourth proportional to 3,119,226.80, 4,678,494.60 and 2,557,281.20 is: 3,835,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,226.80 : 4,678,494.60 = 2,557,281.20 : x
  2. Step 2: Convert to fraction form
    3,119,226.80/4,678,494.60 = 2,557,281.20/x
  3. Step 3: Cross multiply
    3,119,226.80x = 4,678,494.60 × 2,557,281.20
  4. Step 4: Simplify right side
    3,119,226.80x = 11,964,226,284,881.52
  5. Step 5: Solve for x
    x = 11,964,226,284,881.52/3,119,226.80
  6. Step 6: Final answer
    x = 3,835,638.46

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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.