Home / 5,176,653.12-7,143,788.16-2,884,763.52

Finding the Fourth Proportional to 5,176,653.12, 7,143,788.16 and 2,884,763.52

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Solution

The fourth proportional to 5,176,653.12, 7,143,788.16 and 2,884,763.52 is: 3,980,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,653.12 : 7,143,788.16 = 2,884,763.52 : x
  2. Step 2: Convert to fraction form
    5,176,653.12/7,143,788.16 = 2,884,763.52/x
  3. Step 3: Cross multiply
    5,176,653.12x = 7,143,788.16 × 2,884,763.52
  4. Step 4: Simplify right side
    5,176,653.12x = 20,608,139,478,575.92
  5. Step 5: Solve for x
    x = 20,608,139,478,575.92/5,176,653.12
  6. Step 6: Final answer
    x = 3,980,977.48

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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.