Home / 2,938,124.40-4,407,186.60-1,930,354.80

Finding the Fourth Proportional to 2,938,124.40, 4,407,186.60 and 1,930,354.80

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Solution

The fourth proportional to 2,938,124.40, 4,407,186.60 and 1,930,354.80 is: 2,895,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,124.40 : 4,407,186.60 = 1,930,354.80 : x
  2. Step 2: Convert to fraction form
    2,938,124.40/4,407,186.60 = 1,930,354.80/x
  3. Step 3: Cross multiply
    2,938,124.40x = 4,407,186.60 × 1,930,354.80
  4. Step 4: Simplify right side
    2,938,124.40x = 8,507,433,807,805.68
  5. Step 5: Solve for x
    x = 8,507,433,807,805.68/2,938,124.40
  6. Step 6: Final answer
    x = 2,895,532.20

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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.