Home / 2,780,673.40-4,171,010.10-1,930,367.80

Finding the Fourth Proportional to 2,780,673.40, 4,171,010.10 and 1,930,367.80

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Solution

The fourth proportional to 2,780,673.40, 4,171,010.10 and 1,930,367.80 is: 2,895,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,673.40 : 4,171,010.10 = 1,930,367.80 : x
  2. Step 2: Convert to fraction form
    2,780,673.40/4,171,010.10 = 1,930,367.80/x
  3. Step 3: Cross multiply
    2,780,673.40x = 4,171,010.10 × 1,930,367.80
  4. Step 4: Simplify right side
    2,780,673.40x = 8,051,583,590,514.78
  5. Step 5: Solve for x
    x = 8,051,583,590,514.78/2,780,673.40
  6. Step 6: Final answer
    x = 2,895,551.70

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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.