Home / 3,118,030.20-4,676,607.90-988,329.60

Finding the Fourth Proportional to 3,118,030.20, 4,676,607.90 and 988,329.60

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Solution

The fourth proportional to 3,118,030.20, 4,676,607.90 and 988,329.60 is: 1,482,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,030.20 : 4,676,607.90 = 988,329.60 : x
  2. Step 2: Convert to fraction form
    3,118,030.20/4,676,607.90 = 988,329.60/x
  3. Step 3: Cross multiply
    3,118,030.20x = 4,676,607.90 × 988,329.60
  4. Step 4: Simplify right side
    3,118,030.20x = 4,622,030,015,163.84
  5. Step 5: Solve for x
    x = 4,622,030,015,163.84/3,118,030.20
  6. Step 6: Final answer
    x = 1,482,355.76

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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.