Home / 5,185,835.35-7,778,753.03-1,399,312.15

Finding the Fourth Proportional to 5,185,835.35, 7,778,753.03 and 1,399,312.15

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Solution

The fourth proportional to 5,185,835.35, 7,778,753.03 and 1,399,312.15 is: 2,098,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,835.35 : 7,778,753.03 = 1,399,312.15 : x
  2. Step 2: Convert to fraction form
    5,185,835.35/7,778,753.03 = 1,399,312.15/x
  3. Step 3: Cross multiply
    5,185,835.35x = 7,778,753.03 × 1,399,312.15
  4. Step 4: Simplify right side
    5,185,835.35x = 10,884,903,626,728.31
  5. Step 5: Solve for x
    x = 10,884,903,626,728.31/5,185,835.35
  6. Step 6: Final answer
    x = 2,098,968.23

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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.