Home / 3,998,672.04-5,518,030.16-2,280,345.60

Finding the Fourth Proportional to 3,998,672.04, 5,518,030.16 and 2,280,345.60

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Solution

The fourth proportional to 3,998,672.04, 5,518,030.16 and 2,280,345.60 is: 3,146,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,672.04 : 5,518,030.16 = 2,280,345.60 : x
  2. Step 2: Convert to fraction form
    3,998,672.04/5,518,030.16 = 2,280,345.60/x
  3. Step 3: Cross multiply
    3,998,672.04x = 5,518,030.16 × 2,280,345.60
  4. Step 4: Simplify right side
    3,998,672.04x = 12,583,015,796,023.30
  5. Step 5: Solve for x
    x = 12,583,015,796,023.30/3,998,672.04
  6. Step 6: Final answer
    x = 3,146,798.65

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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.