Home / 4,890,567.76-6,749,201.40-2,715,140.64

Finding the Fourth Proportional to 4,890,567.76, 6,749,201.40 and 2,715,140.64

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Solution

The fourth proportional to 4,890,567.76, 6,749,201.40 and 2,715,140.64 is: 3,747,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,567.76 : 6,749,201.40 = 2,715,140.64 : x
  2. Step 2: Convert to fraction form
    4,890,567.76/6,749,201.40 = 2,715,140.64/x
  3. Step 3: Cross multiply
    4,890,567.76x = 6,749,201.40 × 2,715,140.64
  4. Step 4: Simplify right side
    4,890,567.76x = 18,325,031,008,684.90
  5. Step 5: Solve for x
    x = 18,325,031,008,684.90/4,890,567.76
  6. Step 6: Final answer
    x = 3,747,015.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.