Home / 2,156,464.80-3,234,697.20-1,316,656.80

Finding the Fourth Proportional to 2,156,464.80, 3,234,697.20 and 1,316,656.80

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Solution

The fourth proportional to 2,156,464.80, 3,234,697.20 and 1,316,656.80 is: 1,974,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,464.80 : 3,234,697.20 = 1,316,656.80 : x
  2. Step 2: Convert to fraction form
    2,156,464.80/3,234,697.20 = 1,316,656.80/x
  3. Step 3: Cross multiply
    2,156,464.80x = 3,234,697.20 × 1,316,656.80
  4. Step 4: Simplify right side
    2,156,464.80x = 4,258,986,064,320.96
  5. Step 5: Solve for x
    x = 4,258,986,064,320.96/2,156,464.80
  6. Step 6: Final answer
    x = 1,974,985.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.