Home / 5,230,828.80-7,218,550.08-2,938,988.16

Finding the Fourth Proportional to 5,230,828.80, 7,218,550.08 and 2,938,988.16

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Solution

The fourth proportional to 5,230,828.80, 7,218,550.08 and 2,938,988.16 is: 4,055,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230,828.80 : 7,218,550.08 = 2,938,988.16 : x
  2. Step 2: Convert to fraction form
    5,230,828.80/7,218,550.08 = 2,938,988.16/x
  3. Step 3: Cross multiply
    5,230,828.80x = 7,218,550.08 × 2,938,988.16
  4. Step 4: Simplify right side
    5,230,828.80x = 21,215,233,217,487.05
  5. Step 5: Solve for x
    x = 21,215,233,217,487.05/5,230,828.80
  6. Step 6: Final answer
    x = 4,055,807.22

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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.