Home / 1,977,811.24-2,729,263.62-1,118,551.72

Finding the Fourth Proportional to 1,977,811.24, 2,729,263.62 and 1,118,551.72

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Solution

The fourth proportional to 1,977,811.24, 2,729,263.62 and 1,118,551.72 is: 1,543,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,811.24 : 2,729,263.62 = 1,118,551.72 : x
  2. Step 2: Convert to fraction form
    1,977,811.24/2,729,263.62 = 1,118,551.72/x
  3. Step 3: Cross multiply
    1,977,811.24x = 2,729,263.62 × 1,118,551.72
  4. Step 4: Simplify right side
    1,977,811.24x = 3,052,822,516,484.43
  5. Step 5: Solve for x
    x = 3,052,822,516,484.43/1,977,811.24
  6. Step 6: Final answer
    x = 1,543,535.83

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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.