Home / 5,435,979.72-7,501,656.80-2,988,632.40

Finding the Fourth Proportional to 5,435,979.72, 7,501,656.80 and 2,988,632.40

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Solution

The fourth proportional to 5,435,979.72, 7,501,656.80 and 2,988,632.40 is: 4,124,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,979.72 : 7,501,656.80 = 2,988,632.40 : x
  2. Step 2: Convert to fraction form
    5,435,979.72/7,501,656.80 = 2,988,632.40/x
  3. Step 3: Cross multiply
    5,435,979.72x = 7,501,656.80 × 2,988,632.40
  4. Step 4: Simplify right side
    5,435,979.72x = 22,419,694,566,160.32
  5. Step 5: Solve for x
    x = 22,419,694,566,160.32/5,435,979.72
  6. Step 6: Final answer
    x = 4,124,315.34

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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.