Home / 6,389,447.58-8,817,402.50-3,488,817.84

Finding the Fourth Proportional to 6,389,447.58, 8,817,402.50 and 3,488,817.84

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Solution

The fourth proportional to 6,389,447.58, 8,817,402.50 and 3,488,817.84 is: 4,814,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,447.58 : 8,817,402.50 = 3,488,817.84 : x
  2. Step 2: Convert to fraction form
    6,389,447.58/8,817,402.50 = 3,488,817.84/x
  3. Step 3: Cross multiply
    6,389,447.58x = 8,817,402.50 × 3,488,817.84
  4. Step 4: Simplify right side
    6,389,447.58x = 30,762,311,144,460.60
  5. Step 5: Solve for x
    x = 30,762,311,144,460.60/6,389,447.58
  6. Step 6: Final answer
    x = 4,814,549.42

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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.