Home / 3,315,081.60-4,972,130.26-918,676.40

Finding the Fourth Proportional to 3,315,081.60, 4,972,130.26 and 918,676.40

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Solution

The fourth proportional to 3,315,081.60, 4,972,130.26 and 918,676.40 is: 1,377,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,081.60 : 4,972,130.26 = 918,676.40 : x
  2. Step 2: Convert to fraction form
    3,315,081.60/4,972,130.26 = 918,676.40/x
  3. Step 3: Cross multiply
    3,315,081.60x = 4,972,130.26 × 918,676.40
  4. Step 4: Simplify right side
    3,315,081.60x = 4,567,778,727,587.86
  5. Step 5: Solve for x
    x = 4,567,778,727,587.86/3,315,081.60
  6. Step 6: Final answer
    x = 1,377,878.22

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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.