Home / 2,641,186.52-3,963,130.88-1,257,886.40

Finding the Fourth Proportional to 2,641,186.52, 3,963,130.88 and 1,257,886.40

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Solution

The fourth proportional to 2,641,186.52, 3,963,130.88 and 1,257,886.40 is: 1,887,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,186.52 : 3,963,130.88 = 1,257,886.40 : x
  2. Step 2: Convert to fraction form
    2,641,186.52/3,963,130.88 = 1,257,886.40/x
  3. Step 3: Cross multiply
    2,641,186.52x = 3,963,130.88 × 1,257,886.40
  4. Step 4: Simplify right side
    2,641,186.52x = 4,985,168,409,266.95
  5. Step 5: Solve for x
    x = 4,985,168,409,266.95/2,641,186.52
  6. Step 6: Final answer
    x = 1,887,473.06

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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.