Home / 3,779,646.30-5,215,885.65-2,147,925.60

Finding the Fourth Proportional to 3,779,646.30, 5,215,885.65 and 2,147,925.60

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Solution

The fourth proportional to 3,779,646.30, 5,215,885.65 and 2,147,925.60 is: 2,964,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,646.30 : 5,215,885.65 = 2,147,925.60 : x
  2. Step 2: Convert to fraction form
    3,779,646.30/5,215,885.65 = 2,147,925.60/x
  3. Step 3: Cross multiply
    3,779,646.30x = 5,215,885.65 × 2,147,925.60
  4. Step 4: Simplify right side
    3,779,646.30x = 11,203,334,314,307.64
  5. Step 5: Solve for x
    x = 11,203,334,314,307.64/3,779,646.30
  6. Step 6: Final answer
    x = 2,964,122.41

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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.