Home / 5,173,854.49-7,140,081.08-2,969,120.66

Finding the Fourth Proportional to 5,173,854.49, 7,140,081.08 and 2,969,120.66

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Solution

The fourth proportional to 5,173,854.49, 7,140,081.08 and 2,969,120.66 is: 4,097,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,854.49 : 7,140,081.08 = 2,969,120.66 : x
  2. Step 2: Convert to fraction form
    5,173,854.49/7,140,081.08 = 2,969,120.66/x
  3. Step 3: Cross multiply
    5,173,854.49x = 7,140,081.08 × 2,969,120.66
  4. Step 4: Simplify right side
    5,173,854.49x = 21,199,762,213,002.71
  5. Step 5: Solve for x
    x = 21,199,762,213,002.71/5,173,854.49
  6. Step 6: Final answer
    x = 4,097,479.40

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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.