Home / 5,200,809.40-7,798,103.70-2,681,385.40

Finding the Fourth Proportional to 5,200,809.40, 7,798,103.70 and 2,681,385.40

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Solution

The fourth proportional to 5,200,809.40, 7,798,103.70 and 2,681,385.40 is: 4,020,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,809.40 : 7,798,103.70 = 2,681,385.40 : x
  2. Step 2: Convert to fraction form
    5,200,809.40/7,798,103.70 = 2,681,385.40/x
  3. Step 3: Cross multiply
    5,200,809.40x = 7,798,103.70 × 2,681,385.40
  4. Step 4: Simplify right side
    5,200,809.40x = 20,909,721,408,865.98
  5. Step 5: Solve for x
    x = 20,909,721,408,865.98/5,200,809.40
  6. Step 6: Final answer
    x = 4,020,474.47

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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.