Home / 2,172,587.64-3,258,690.02-974,188.32

Finding the Fourth Proportional to 2,172,587.64, 3,258,690.02 and 974,188.32

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Solution

The fourth proportional to 2,172,587.64, 3,258,690.02 and 974,188.32 is: 1,461,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,587.64 : 3,258,690.02 = 974,188.32 : x
  2. Step 2: Convert to fraction form
    2,172,587.64/3,258,690.02 = 974,188.32/x
  3. Step 3: Cross multiply
    2,172,587.64x = 3,258,690.02 × 974,188.32
  4. Step 4: Simplify right side
    2,172,587.64x = 3,174,577,755,984.57
  5. Step 5: Solve for x
    x = 3,174,577,755,984.57/2,172,587.64
  6. Step 6: Final answer
    x = 1,461,196.64

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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.