Home / 3,462,425.95-4,778,395.21-1,913,654.31

Finding the Fourth Proportional to 3,462,425.95, 4,778,395.21 and 1,913,654.31

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Solution

The fourth proportional to 3,462,425.95, 4,778,395.21 and 1,913,654.31 is: 2,640,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,425.95 : 4,778,395.21 = 1,913,654.31 : x
  2. Step 2: Convert to fraction form
    3,462,425.95/4,778,395.21 = 1,913,654.31/x
  3. Step 3: Cross multiply
    3,462,425.95x = 4,778,395.21 × 1,913,654.31
  4. Step 4: Simplify right side
    3,462,425.95x = 9,144,196,594,469.45
  5. Step 5: Solve for x
    x = 9,144,196,594,469.45/3,462,425.95
  6. Step 6: Final answer
    x = 2,640,979.69

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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.