Home / 3,620,408.60-5,429,009.10-1,223,602.40

Finding the Fourth Proportional to 3,620,408.60, 5,429,009.10 and 1,223,602.40

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Solution

The fourth proportional to 3,620,408.60, 5,429,009.10 and 1,223,602.40 is: 1,834,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,408.60 : 5,429,009.10 = 1,223,602.40 : x
  2. Step 2: Convert to fraction form
    3,620,408.60/5,429,009.10 = 1,223,602.40/x
  3. Step 3: Cross multiply
    3,620,408.60x = 5,429,009.10 × 1,223,602.40
  4. Step 4: Simplify right side
    3,620,408.60x = 6,642,948,564,381.84
  5. Step 5: Solve for x
    x = 6,642,948,564,381.84/3,620,408.60
  6. Step 6: Final answer
    x = 1,834,861.56

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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.