Home / 1,979,769.85-2,730,671.03-1,816,951.17

Finding the Fourth Proportional to 1,979,769.85, 2,730,671.03 and 1,816,951.17

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Solution

The fourth proportional to 1,979,769.85, 2,730,671.03 and 1,816,951.17 is: 2,506,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,769.85 : 2,730,671.03 = 1,816,951.17 : x
  2. Step 2: Convert to fraction form
    1,979,769.85/2,730,671.03 = 1,816,951.17/x
  3. Step 3: Cross multiply
    1,979,769.85x = 2,730,671.03 × 1,816,951.17
  4. Step 4: Simplify right side
    1,979,769.85x = 4,961,495,922,843.60
  5. Step 5: Solve for x
    x = 4,961,495,922,843.60/1,979,769.85
  6. Step 6: Final answer
    x = 2,506,097.32

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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.