Home / 5,130,793.79-7,080,496.11-2,807,686.81

Finding the Fourth Proportional to 5,130,793.79, 7,080,496.11 and 2,807,686.81

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Solution

The fourth proportional to 5,130,793.79, 7,080,496.11 and 2,807,686.81 is: 3,874,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,793.79 : 7,080,496.11 = 2,807,686.81 : x
  2. Step 2: Convert to fraction form
    5,130,793.79/7,080,496.11 = 2,807,686.81/x
  3. Step 3: Cross multiply
    5,130,793.79x = 7,080,496.11 × 2,807,686.81
  4. Step 4: Simplify right side
    5,130,793.79x = 19,879,815,550,402.34
  5. Step 5: Solve for x
    x = 19,879,815,550,402.34/5,130,793.79
  6. Step 6: Final answer
    x = 3,874,608.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.