Home / 2,127,232.60-3,190,848.90-779,392.60

Finding the Fourth Proportional to 2,127,232.60, 3,190,848.90 and 779,392.60

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Solution

The fourth proportional to 2,127,232.60, 3,190,848.90 and 779,392.60 is: 1,169,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,232.60 : 3,190,848.90 = 779,392.60 : x
  2. Step 2: Convert to fraction form
    2,127,232.60/3,190,848.90 = 779,392.60/x
  3. Step 3: Cross multiply
    2,127,232.60x = 3,190,848.90 × 779,392.60
  4. Step 4: Simplify right side
    2,127,232.60x = 2,486,924,020,378.14
  5. Step 5: Solve for x
    x = 2,486,924,020,378.14/2,127,232.60
  6. Step 6: Final answer
    x = 1,169,088.90

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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.