Home / 3,422,333.75-5,138,547.13-1,908,973.49

Finding the Fourth Proportional to 3,422,333.75, 5,138,547.13 and 1,908,973.49

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Solution

The fourth proportional to 3,422,333.75, 5,138,547.13 and 1,908,973.49 is: 2,866,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,333.75 : 5,138,547.13 = 1,908,973.49 : x
  2. Step 2: Convert to fraction form
    3,422,333.75/5,138,547.13 = 1,908,973.49/x
  3. Step 3: Cross multiply
    3,422,333.75x = 5,138,547.13 × 1,908,973.49
  4. Step 4: Simplify right side
    3,422,333.75x = 9,809,350,248,285.58
  5. Step 5: Solve for x
    x = 9,809,350,248,285.58/3,422,333.75
  6. Step 6: Final answer
    x = 2,866,275.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.