Home / 1,677,989.06-2,315,550.12-980,334.60

Finding the Fourth Proportional to 1,677,989.06, 2,315,550.12 and 980,334.60

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Solution

The fourth proportional to 1,677,989.06, 2,315,550.12 and 980,334.60 is: 1,352,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,989.06 : 2,315,550.12 = 980,334.60 : x
  2. Step 2: Convert to fraction form
    1,677,989.06/2,315,550.12 = 980,334.60/x
  3. Step 3: Cross multiply
    1,677,989.06x = 2,315,550.12 × 980,334.60
  4. Step 4: Simplify right side
    1,677,989.06x = 2,270,013,900,670.15
  5. Step 5: Solve for x
    x = 2,270,013,900,670.15/1,677,989.06
  6. Step 6: Final answer
    x = 1,352,818.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.