Home / 5,435,009.89-7,500,406.82-2,987,724.08

Finding the Fourth Proportional to 5,435,009.89, 7,500,406.82 and 2,987,724.08

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Solution

The fourth proportional to 5,435,009.89, 7,500,406.82 and 2,987,724.08 is: 4,123,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,009.89 : 7,500,406.82 = 2,987,724.08 : x
  2. Step 2: Convert to fraction form
    5,435,009.89/7,500,406.82 = 2,987,724.08/x
  3. Step 3: Cross multiply
    5,435,009.89x = 7,500,406.82 × 2,987,724.08
  4. Step 4: Simplify right side
    5,435,009.89x = 22,409,146,069,722.62
  5. Step 5: Solve for x
    x = 22,409,146,069,722.62/5,435,009.89
  6. Step 6: Final answer
    x = 4,123,110.45

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1.5x scale

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.