Home / 3,178,649.40-4,773,503.70-1,685,657.40

Finding the Fourth Proportional to 3,178,649.40, 4,773,503.70 and 1,685,657.40

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Solution

The fourth proportional to 3,178,649.40, 4,773,503.70 and 1,685,657.40 is: 2,531,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,649.40 : 4,773,503.70 = 1,685,657.40 : x
  2. Step 2: Convert to fraction form
    3,178,649.40/4,773,503.70 = 1,685,657.40/x
  3. Step 3: Cross multiply
    3,178,649.40x = 4,773,503.70 × 1,685,657.40
  4. Step 4: Simplify right side
    3,178,649.40x = 8,046,491,835,832.38
  5. Step 5: Solve for x
    x = 8,046,491,835,832.38/3,178,649.40
  6. Step 6: Final answer
    x = 2,531,418.48

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1.5x scale

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.