Home / 2,784,385.40-4,168,283.70-1,661,876.60

Finding the Fourth Proportional to 2,784,385.40, 4,168,283.70 and 1,661,876.60

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Solution

The fourth proportional to 2,784,385.40, 4,168,283.70 and 1,661,876.60 is: 2,487,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,385.40 : 4,168,283.70 = 1,661,876.60 : x
  2. Step 2: Convert to fraction form
    2,784,385.40/4,168,283.70 = 1,661,876.60/x
  3. Step 3: Cross multiply
    2,784,385.40x = 4,168,283.70 × 1,661,876.60
  4. Step 4: Simplify right side
    2,784,385.40x = 6,927,173,143,191.42
  5. Step 5: Solve for x
    x = 6,927,173,143,191.42/2,784,385.40
  6. Step 6: Final answer
    x = 2,487,864.34

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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.