Home / 3,178,849.15-4,768,274.63-934,987.15

Finding the Fourth Proportional to 3,178,849.15, 4,768,274.63 and 934,987.15

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Solution

The fourth proportional to 3,178,849.15, 4,768,274.63 and 934,987.15 is: 1,402,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,849.15 : 4,768,274.63 = 934,987.15 : x
  2. Step 2: Convert to fraction form
    3,178,849.15/4,768,274.63 = 934,987.15/x
  3. Step 3: Cross multiply
    3,178,849.15x = 4,768,274.63 × 934,987.15
  4. Step 4: Simplify right side
    3,178,849.15x = 4,458,275,497,137.79
  5. Step 5: Solve for x
    x = 4,458,275,497,137.79/3,178,849.15
  6. Step 6: Final answer
    x = 1,402,480.99

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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.