Home / 2,887,347.52-4,328,585.70-1,820,037.16

Finding the Fourth Proportional to 2,887,347.52, 4,328,585.70 and 1,820,037.16

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Solution

The fourth proportional to 2,887,347.52, 4,328,585.70 and 1,820,037.16 is: 2,728,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,347.52 : 4,328,585.70 = 1,820,037.16 : x
  2. Step 2: Convert to fraction form
    2,887,347.52/4,328,585.70 = 1,820,037.16/x
  3. Step 3: Cross multiply
    2,887,347.52x = 4,328,585.70 × 1,820,037.16
  4. Step 4: Simplify right side
    2,887,347.52x = 7,878,186,824,244.61
  5. Step 5: Solve for x
    x = 7,878,186,824,244.61/2,887,347.52
  6. Step 6: Final answer
    x = 2,728,520.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.