Home / 2,657,869.20-3,986,803.80-1,944,032.40

Finding the Fourth Proportional to 2,657,869.20, 3,986,803.80 and 1,944,032.40

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Solution

The fourth proportional to 2,657,869.20, 3,986,803.80 and 1,944,032.40 is: 2,916,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,869.20 : 3,986,803.80 = 1,944,032.40 : x
  2. Step 2: Convert to fraction form
    2,657,869.20/3,986,803.80 = 1,944,032.40/x
  3. Step 3: Cross multiply
    2,657,869.20x = 3,986,803.80 × 1,944,032.40
  4. Step 4: Simplify right side
    2,657,869.20x = 7,750,475,759,643.12
  5. Step 5: Solve for x
    x = 7,750,475,759,643.12/2,657,869.20
  6. Step 6: Final answer
    x = 2,916,048.60

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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.