Home / 2,642,425.20-3,963,637.80-2,012,569.20

Finding the Fourth Proportional to 2,642,425.20, 3,963,637.80 and 2,012,569.20

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Solution

The fourth proportional to 2,642,425.20, 3,963,637.80 and 2,012,569.20 is: 3,018,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,425.20 : 3,963,637.80 = 2,012,569.20 : x
  2. Step 2: Convert to fraction form
    2,642,425.20/3,963,637.80 = 2,012,569.20/x
  3. Step 3: Cross multiply
    2,642,425.20x = 3,963,637.80 × 2,012,569.20
  4. Step 4: Simplify right side
    2,642,425.20x = 7,977,095,356,235.76
  5. Step 5: Solve for x
    x = 7,977,095,356,235.76/2,642,425.20
  6. Step 6: Final answer
    x = 3,018,853.80

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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.