Home / 2,127,286.32-3,190,498.91-778,988.52

Finding the Fourth Proportional to 2,127,286.32, 3,190,498.91 and 778,988.52

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Solution

The fourth proportional to 2,127,286.32, 3,190,498.91 and 778,988.52 is: 1,168,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,286.32 : 3,190,498.91 = 778,988.52 : x
  2. Step 2: Convert to fraction form
    2,127,286.32/3,190,498.91 = 778,988.52/x
  3. Step 3: Cross multiply
    2,127,286.32x = 3,190,498.91 × 778,988.52
  4. Step 4: Simplify right side
    2,127,286.32x = 2,485,362,017,302.05
  5. Step 5: Solve for x
    x = 2,485,362,017,302.05/2,127,286.32
  6. Step 6: Final answer
    x = 1,168,325.11

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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.