Home / 5,158,686.80-7,118,845.80-2,866,788.56

Finding the Fourth Proportional to 5,158,686.80, 7,118,845.80 and 2,866,788.56

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Solution

The fourth proportional to 5,158,686.80, 7,118,845.80 and 2,866,788.56 is: 3,956,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,686.80 : 7,118,845.80 = 2,866,788.56 : x
  2. Step 2: Convert to fraction form
    5,158,686.80/7,118,845.80 = 2,866,788.56/x
  3. Step 3: Cross multiply
    5,158,686.80x = 7,118,845.80 × 2,866,788.56
  4. Step 4: Simplify right side
    5,158,686.80x = 20,408,225,699,844.05
  5. Step 5: Solve for x
    x = 20,408,225,699,844.05/5,158,686.80
  6. Step 6: Final answer
    x = 3,956,089.31

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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.