Home / 2,080,329.30-3,118,525.65-1,228,055.40

Finding the Fourth Proportional to 2,080,329.30, 3,118,525.65 and 1,228,055.40

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Solution

The fourth proportional to 2,080,329.30, 3,118,525.65 and 1,228,055.40 is: 1,840,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,329.30 : 3,118,525.65 = 1,228,055.40 : x
  2. Step 2: Convert to fraction form
    2,080,329.30/3,118,525.65 = 1,228,055.40/x
  3. Step 3: Cross multiply
    2,080,329.30x = 3,118,525.65 × 1,228,055.40
  4. Step 4: Simplify right side
    2,080,329.30x = 3,829,722,264,521.01
  5. Step 5: Solve for x
    x = 3,829,722,264,521.01/2,080,329.30
  6. Step 6: Final answer
    x = 1,840,921.18

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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.