Home / 2,127,138.32-3,191,329.56-631,269.20

Finding the Fourth Proportional to 2,127,138.32, 3,191,329.56 and 631,269.20

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Solution

The fourth proportional to 2,127,138.32, 3,191,329.56 and 631,269.20 is: 947,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,138.32 : 3,191,329.56 = 631,269.20 : x
  2. Step 2: Convert to fraction form
    2,127,138.32/3,191,329.56 = 631,269.20/x
  3. Step 3: Cross multiply
    2,127,138.32x = 3,191,329.56 × 631,269.20
  4. Step 4: Simplify right side
    2,127,138.32x = 2,014,588,058,277.55
  5. Step 5: Solve for x
    x = 2,014,588,058,277.55/2,127,138.32
  6. Step 6: Final answer
    x = 947,088.41

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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.