Home / 3,118,515.60-4,677,773.40-988,596.30

Finding the Fourth Proportional to 3,118,515.60, 4,677,773.40 and 988,596.30

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Solution

The fourth proportional to 3,118,515.60, 4,677,773.40 and 988,596.30 is: 1,482,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,515.60 : 4,677,773.40 = 988,596.30 : x
  2. Step 2: Convert to fraction form
    3,118,515.60/4,677,773.40 = 988,596.30/x
  3. Step 3: Cross multiply
    3,118,515.60x = 4,677,773.40 × 988,596.30
  4. Step 4: Simplify right side
    3,118,515.60x = 4,624,429,475,478.42
  5. Step 5: Solve for x
    x = 4,624,429,475,478.42/3,118,515.60
  6. Step 6: Final answer
    x = 1,482,894.45

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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.