Home / 2,884,345.53-3,980,235.78-1,577,339.66

Finding the Fourth Proportional to 2,884,345.53, 3,980,235.78 and 1,577,339.66

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Solution

The fourth proportional to 2,884,345.53, 3,980,235.78 and 1,577,339.66 is: 2,176,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884,345.53 : 3,980,235.78 = 1,577,339.66 : x
  2. Step 2: Convert to fraction form
    2,884,345.53/3,980,235.78 = 1,577,339.66/x
  3. Step 3: Cross multiply
    2,884,345.53x = 3,980,235.78 × 1,577,339.66
  4. Step 4: Simplify right side
    2,884,345.53x = 6,278,183,732,043.86
  5. Step 5: Solve for x
    x = 6,278,183,732,043.86/2,884,345.53
  6. Step 6: Final answer
    x = 2,176,640.65

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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.