Home / 3,427,280.12-4,729,617.16-1,878,627.80

Finding the Fourth Proportional to 3,427,280.12, 4,729,617.16 and 1,878,627.80

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Solution

The fourth proportional to 3,427,280.12, 4,729,617.16 and 1,878,627.80 is: 2,592,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,280.12 : 4,729,617.16 = 1,878,627.80 : x
  2. Step 2: Convert to fraction form
    3,427,280.12/4,729,617.16 = 1,878,627.80/x
  3. Step 3: Cross multiply
    3,427,280.12x = 4,729,617.16 × 1,878,627.80
  4. Step 4: Simplify right side
    3,427,280.12x = 8,885,190,280,133.05
  5. Step 5: Solve for x
    x = 8,885,190,280,133.05/3,427,280.12
  6. Step 6: Final answer
    x = 2,592,490.25

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1.5x scale

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.