Home / 2,154,307.60-3,231,461.40-638,045.20

Finding the Fourth Proportional to 2,154,307.60, 3,231,461.40 and 638,045.20

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Solution

The fourth proportional to 2,154,307.60, 3,231,461.40 and 638,045.20 is: 957,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,307.60 : 3,231,461.40 = 638,045.20 : x
  2. Step 2: Convert to fraction form
    2,154,307.60/3,231,461.40 = 638,045.20/x
  3. Step 3: Cross multiply
    2,154,307.60x = 3,231,461.40 × 638,045.20
  4. Step 4: Simplify right side
    2,154,307.60x = 2,061,818,435,255.28
  5. Step 5: Solve for x
    x = 2,061,818,435,255.28/2,154,307.60
  6. Step 6: Final answer
    x = 957,067.80

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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.