Home / 2,889,307.80-4,334,480.10-1,206,581.40

Finding the Fourth Proportional to 2,889,307.80, 4,334,480.10 and 1,206,581.40

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Solution

The fourth proportional to 2,889,307.80, 4,334,480.10 and 1,206,581.40 is: 1,810,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,307.80 : 4,334,480.10 = 1,206,581.40 : x
  2. Step 2: Convert to fraction form
    2,889,307.80/4,334,480.10 = 1,206,581.40/x
  3. Step 3: Cross multiply
    2,889,307.80x = 4,334,480.10 × 1,206,581.40
  4. Step 4: Simplify right side
    2,889,307.80x = 5,229,903,067,330.14
  5. Step 5: Solve for x
    x = 5,229,903,067,330.14/2,889,307.80
  6. Step 6: Final answer
    x = 1,810,088.58

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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.