Home / 2,518,213.29-3,778,058.30-812,322.33

Finding the Fourth Proportional to 2,518,213.29, 3,778,058.30 and 812,322.33

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Solution

The fourth proportional to 2,518,213.29, 3,778,058.30 and 812,322.33 is: 1,218,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,213.29 : 3,778,058.30 = 812,322.33 : x
  2. Step 2: Convert to fraction form
    2,518,213.29/3,778,058.30 = 812,322.33/x
  3. Step 3: Cross multiply
    2,518,213.29x = 3,778,058.30 × 812,322.33
  4. Step 4: Simplify right side
    2,518,213.29x = 3,069,001,117,070.23
  5. Step 5: Solve for x
    x = 3,069,001,117,070.23/2,518,213.29
  6. Step 6: Final answer
    x = 1,218,721.67

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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.