Home / 2,085,195.80-3,127,793.70-1,637,298.20

Finding the Fourth Proportional to 2,085,195.80, 3,127,793.70 and 1,637,298.20

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Solution

The fourth proportional to 2,085,195.80, 3,127,793.70 and 1,637,298.20 is: 2,455,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,195.80 : 3,127,793.70 = 1,637,298.20 : x
  2. Step 2: Convert to fraction form
    2,085,195.80/3,127,793.70 = 1,637,298.20/x
  3. Step 3: Cross multiply
    2,085,195.80x = 3,127,793.70 × 1,637,298.20
  4. Step 4: Simplify right side
    2,085,195.80x = 5,121,130,994,981.34
  5. Step 5: Solve for x
    x = 5,121,130,994,981.34/2,085,195.80
  6. Step 6: Final answer
    x = 2,455,947.30

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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.