Home / 3,045,959.36-4,203,448.80-1,687,855.04

Finding the Fourth Proportional to 3,045,959.36, 4,203,448.80 and 1,687,855.04

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Solution

The fourth proportional to 3,045,959.36, 4,203,448.80 and 1,687,855.04 is: 2,329,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045,959.36 : 4,203,448.80 = 1,687,855.04 : x
  2. Step 2: Convert to fraction form
    3,045,959.36/4,203,448.80 = 1,687,855.04/x
  3. Step 3: Cross multiply
    3,045,959.36x = 4,203,448.80 × 1,687,855.04
  4. Step 4: Simplify right side
    3,045,959.36x = 7,094,812,242,461.95
  5. Step 5: Solve for x
    x = 7,094,812,242,461.95/3,045,959.36
  6. Step 6: Final answer
    x = 2,329,253.74

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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.