Home / 3,236,209.60-4,857,424.80-1,640,574.40

Finding the Fourth Proportional to 3,236,209.60, 4,857,424.80 and 1,640,574.40

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Solution

The fourth proportional to 3,236,209.60, 4,857,424.80 and 1,640,574.40 is: 2,462,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236,209.60 : 4,857,424.80 = 1,640,574.40 : x
  2. Step 2: Convert to fraction form
    3,236,209.60/4,857,424.80 = 1,640,574.40/x
  3. Step 3: Cross multiply
    3,236,209.60x = 4,857,424.80 × 1,640,574.40
  4. Step 4: Simplify right side
    3,236,209.60x = 7,968,966,776,805.12
  5. Step 5: Solve for x
    x = 7,968,966,776,805.12/3,236,209.60
  6. Step 6: Final answer
    x = 2,462,438.40

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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.