Home / 6,437,621.40-9,656,432.10-1,949,897.40

Finding the Fourth Proportional to 6,437,621.40, 9,656,432.10 and 1,949,897.40

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Solution

The fourth proportional to 6,437,621.40, 9,656,432.10 and 1,949,897.40 is: 2,924,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,621.40 : 9,656,432.10 = 1,949,897.40 : x
  2. Step 2: Convert to fraction form
    6,437,621.40/9,656,432.10 = 1,949,897.40/x
  3. Step 3: Cross multiply
    6,437,621.40x = 9,656,432.10 × 1,949,897.40
  4. Step 4: Simplify right side
    6,437,621.40x = 18,829,051,845,066.54
  5. Step 5: Solve for x
    x = 18,829,051,845,066.54/6,437,621.40
  6. Step 6: Final answer
    x = 2,924,846.10

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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.