Home / 3,118,518.45-4,677,340.28-988,817.85

Finding the Fourth Proportional to 3,118,518.45, 4,677,340.28 and 988,817.85

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Solution

The fourth proportional to 3,118,518.45, 4,677,340.28 and 988,817.85 is: 1,483,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,518.45 : 4,677,340.28 = 988,817.85 : x
  2. Step 2: Convert to fraction form
    3,118,518.45/4,677,340.28 = 988,817.85/x
  3. Step 3: Cross multiply
    3,118,518.45x = 4,677,340.28 × 988,817.85
  4. Step 4: Simplify right side
    3,118,518.45x = 4,625,037,554,443.91
  5. Step 5: Solve for x
    x = 4,625,037,554,443.91/3,118,518.45
  6. Step 6: Final answer
    x = 1,483,088.08

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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.