Home / 3,518,426.66-4,855,886.14-1,970,277.80

Finding the Fourth Proportional to 3,518,426.66, 4,855,886.14 and 1,970,277.80

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Solution

The fourth proportional to 3,518,426.66, 4,855,886.14 and 1,970,277.80 is: 2,719,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,426.66 : 4,855,886.14 = 1,970,277.80 : x
  2. Step 2: Convert to fraction form
    3,518,426.66/4,855,886.14 = 1,970,277.80/x
  3. Step 3: Cross multiply
    3,518,426.66x = 4,855,886.14 × 1,970,277.80
  4. Step 4: Simplify right side
    3,518,426.66x = 9,567,444,660,969.69
  5. Step 5: Solve for x
    x = 9,567,444,660,969.69/3,518,426.66
  6. Step 6: Final answer
    x = 2,719,239.47

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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.