Home / 2,490,711.40-3,736,067.10-1,640,405.80

Finding the Fourth Proportional to 2,490,711.40, 3,736,067.10 and 1,640,405.80

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Solution

The fourth proportional to 2,490,711.40, 3,736,067.10 and 1,640,405.80 is: 2,460,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,711.40 : 3,736,067.10 = 1,640,405.80 : x
  2. Step 2: Convert to fraction form
    2,490,711.40/3,736,067.10 = 1,640,405.80/x
  3. Step 3: Cross multiply
    2,490,711.40x = 3,736,067.10 × 1,640,405.80
  4. Step 4: Simplify right side
    2,490,711.40x = 6,128,666,140,029.18
  5. Step 5: Solve for x
    x = 6,128,666,140,029.18/2,490,711.40
  6. Step 6: Final answer
    x = 2,460,608.70

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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.