Home / 3,055,787.40-4,216,985.44-1,679,219.80

Finding the Fourth Proportional to 3,055,787.40, 4,216,985.44 and 1,679,219.80

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Solution

The fourth proportional to 3,055,787.40, 4,216,985.44 and 1,679,219.80 is: 2,317,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055,787.40 : 4,216,985.44 = 1,679,219.80 : x
  2. Step 2: Convert to fraction form
    3,055,787.40/4,216,985.44 = 1,679,219.80/x
  3. Step 3: Cross multiply
    3,055,787.40x = 4,216,985.44 × 1,679,219.80
  4. Step 4: Simplify right side
    3,055,787.40x = 7,081,245,447,159.71
  5. Step 5: Solve for x
    x = 7,081,245,447,159.71/3,055,787.40
  6. Step 6: Final answer
    x = 2,317,322.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.