Home / 2,676,165.20-4,014,247.80-2,172,280.40

Finding the Fourth Proportional to 2,676,165.20, 4,014,247.80 and 2,172,280.40

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Solution

The fourth proportional to 2,676,165.20, 4,014,247.80 and 2,172,280.40 is: 3,258,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,165.20 : 4,014,247.80 = 2,172,280.40 : x
  2. Step 2: Convert to fraction form
    2,676,165.20/4,014,247.80 = 2,172,280.40/x
  3. Step 3: Cross multiply
    2,676,165.20x = 4,014,247.80 × 2,172,280.40
  4. Step 4: Simplify right side
    2,676,165.20x = 8,720,071,816,683.12
  5. Step 5: Solve for x
    x = 8,720,071,816,683.12/2,676,165.20
  6. Step 6: Final answer
    x = 3,258,420.60

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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.