Home / 3,818,095.70-5,727,013.95-978,235.70

Finding the Fourth Proportional to 3,818,095.70, 5,727,013.95 and 978,235.70

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Solution

The fourth proportional to 3,818,095.70, 5,727,013.95 and 978,235.70 is: 1,467,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,095.70 : 5,727,013.95 = 978,235.70 : x
  2. Step 2: Convert to fraction form
    3,818,095.70/5,727,013.95 = 978,235.70/x
  3. Step 3: Cross multiply
    3,818,095.70x = 5,727,013.95 × 978,235.70
  4. Step 4: Simplify right side
    3,818,095.70x = 5,602,369,500,288.01
  5. Step 5: Solve for x
    x = 5,602,369,500,288.01/3,818,095.70
  6. Step 6: Final answer
    x = 1,467,320.35

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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.