Home / 2,154,779.43-2,973,618.53-1,187,944.35

Finding the Fourth Proportional to 2,154,779.43, 2,973,618.53 and 1,187,944.35

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Solution

The fourth proportional to 2,154,779.43, 2,973,618.53 and 1,187,944.35 is: 1,639,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,779.43 : 2,973,618.53 = 1,187,944.35 : x
  2. Step 2: Convert to fraction form
    2,154,779.43/2,973,618.53 = 1,187,944.35/x
  3. Step 3: Cross multiply
    2,154,779.43x = 2,973,618.53 × 1,187,944.35
  4. Step 4: Simplify right side
    2,154,779.43x = 3,532,493,319,132.81
  5. Step 5: Solve for x
    x = 3,532,493,319,132.81/2,154,779.43
  6. Step 6: Final answer
    x = 1,639,375.83

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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.