Home / 4,890,643.76-6,749,112.84-3,056,167.28

Finding the Fourth Proportional to 4,890,643.76, 6,749,112.84 and 3,056,167.28

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Solution

The fourth proportional to 4,890,643.76, 6,749,112.84 and 3,056,167.28 is: 4,217,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,643.76 : 6,749,112.84 = 3,056,167.28 : x
  2. Step 2: Convert to fraction form
    4,890,643.76/6,749,112.84 = 3,056,167.28/x
  3. Step 3: Cross multiply
    4,890,643.76x = 6,749,112.84 × 3,056,167.28
  4. Step 4: Simplify right side
    4,890,643.76x = 20,626,417,830,635.88
  5. Step 5: Solve for x
    x = 20,626,417,830,635.88/4,890,643.76
  6. Step 6: Final answer
    x = 4,217,526.13

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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.