Home / 2,420,605.20-3,630,907.80-2,238,128.40

Finding the Fourth Proportional to 2,420,605.20, 3,630,907.80 and 2,238,128.40

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Solution

The fourth proportional to 2,420,605.20, 3,630,907.80 and 2,238,128.40 is: 3,357,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,605.20 : 3,630,907.80 = 2,238,128.40 : x
  2. Step 2: Convert to fraction form
    2,420,605.20/3,630,907.80 = 2,238,128.40/x
  3. Step 3: Cross multiply
    2,420,605.20x = 3,630,907.80 × 2,238,128.40
  4. Step 4: Simplify right side
    2,420,605.20x = 8,126,437,864,961.52
  5. Step 5: Solve for x
    x = 8,126,437,864,961.52/2,420,605.20
  6. Step 6: Final answer
    x = 3,357,192.60

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1.5x scale

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.