Home / 3,678,242.52-5,518,157.88-1,119,657.51

Finding the Fourth Proportional to 3,678,242.52, 5,518,157.88 and 1,119,657.51

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Solution

The fourth proportional to 3,678,242.52, 5,518,157.88 and 1,119,657.51 is: 1,679,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,242.52 : 5,518,157.88 = 1,119,657.51 : x
  2. Step 2: Convert to fraction form
    3,678,242.52/5,518,157.88 = 1,119,657.51/x
  3. Step 3: Cross multiply
    3,678,242.52x = 5,518,157.88 × 1,119,657.51
  4. Step 4: Simplify right side
    3,678,242.52x = 6,178,446,911,707.68
  5. Step 5: Solve for x
    x = 6,178,446,911,707.68/3,678,242.52
  6. Step 6: Final answer
    x = 1,679,727.99

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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.