Home / 2,408,428.55-3,612,654.88-611,312.57

Finding the Fourth Proportional to 2,408,428.55, 3,612,654.88 and 611,312.57

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Solution

The fourth proportional to 2,408,428.55, 3,612,654.88 and 611,312.57 is: 916,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408,428.55 : 3,612,654.88 = 611,312.57 : x
  2. Step 2: Convert to fraction form
    2,408,428.55/3,612,654.88 = 611,312.57/x
  3. Step 3: Cross multiply
    2,408,428.55x = 3,612,654.88 × 611,312.57
  4. Step 4: Simplify right side
    2,408,428.55x = 2,208,461,333,171.74
  5. Step 5: Solve for x
    x = 2,208,461,333,171.74/2,408,428.55
  6. Step 6: Final answer
    x = 916,971.91

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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.