Home / 3,442,483.12-5,159,000.70-2,178,047.20

Finding the Fourth Proportional to 3,442,483.12, 5,159,000.70 and 2,178,047.20

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Solution

The fourth proportional to 3,442,483.12, 5,159,000.70 and 2,178,047.20 is: 3,264,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,483.12 : 5,159,000.70 = 2,178,047.20 : x
  2. Step 2: Convert to fraction form
    3,442,483.12/5,159,000.70 = 2,178,047.20/x
  3. Step 3: Cross multiply
    3,442,483.12x = 5,159,000.70 × 2,178,047.20
  4. Step 4: Simplify right side
    3,442,483.12x = 11,236,547,029,433.04
  5. Step 5: Solve for x
    x = 11,236,547,029,433.04/3,442,483.12
  6. Step 6: Final answer
    x = 3,264,081.95

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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.