Home / 3,315,054.60-4,972,089.78-918,649.35

Finding the Fourth Proportional to 3,315,054.60, 4,972,089.78 and 918,649.35

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Solution

The fourth proportional to 3,315,054.60, 4,972,089.78 and 918,649.35 is: 1,377,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,054.60 : 4,972,089.78 = 918,649.35 : x
  2. Step 2: Convert to fraction form
    3,315,054.60/4,972,089.78 = 918,649.35/x
  3. Step 3: Cross multiply
    3,315,054.60x = 4,972,089.78 × 918,649.35
  4. Step 4: Simplify right side
    3,315,054.60x = 4,567,607,044,538.64
  5. Step 5: Solve for x
    x = 4,567,607,044,538.64/3,315,054.60
  6. Step 6: Final answer
    x = 1,377,837.65

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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.