Home / 3,679,281.51-5,518,501.16-983,816.92

Finding the Fourth Proportional to 3,679,281.51, 5,518,501.16 and 983,816.92

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Solution

The fourth proportional to 3,679,281.51, 5,518,501.16 and 983,816.92 is: 1,475,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,281.51 : 5,518,501.16 = 983,816.92 : x
  2. Step 2: Convert to fraction form
    3,679,281.51/5,518,501.16 = 983,816.92/x
  3. Step 3: Cross multiply
    3,679,281.51x = 5,518,501.16 × 983,816.92
  4. Step 4: Simplify right side
    3,679,281.51x = 5,429,194,812,195.55
  5. Step 5: Solve for x
    x = 5,429,194,812,195.55/3,679,281.51
  6. Step 6: Final answer
    x = 1,475,612.78

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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.