Home / 1,878,285.12-2,816,836.38-615,817.50

Finding the Fourth Proportional to 1,878,285.12, 2,816,836.38 and 615,817.50

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Solution

The fourth proportional to 1,878,285.12, 2,816,836.38 and 615,817.50 is: 923,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,285.12 : 2,816,836.38 = 615,817.50 : x
  2. Step 2: Convert to fraction form
    1,878,285.12/2,816,836.38 = 615,817.50/x
  3. Step 3: Cross multiply
    1,878,285.12x = 2,816,836.38 × 615,817.50
  4. Step 4: Simplify right side
    1,878,285.12x = 1,734,657,137,440.65
  5. Step 5: Solve for x
    x = 1,734,657,137,440.65/1,878,285.12
  6. Step 6: Final answer
    x = 923,532.39

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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.