Home / 2,111,275.15-2,913,481.65-1,144,384.68

Finding the Fourth Proportional to 2,111,275.15, 2,913,481.65 and 1,144,384.68

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Solution

The fourth proportional to 2,111,275.15, 2,913,481.65 and 1,144,384.68 is: 1,579,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,275.15 : 2,913,481.65 = 1,144,384.68 : x
  2. Step 2: Convert to fraction form
    2,111,275.15/2,913,481.65 = 1,144,384.68/x
  3. Step 3: Cross multiply
    2,111,275.15x = 2,913,481.65 × 1,144,384.68
  4. Step 4: Simplify right side
    2,111,275.15x = 3,334,143,765,721.12
  5. Step 5: Solve for x
    x = 3,334,143,765,721.12/2,111,275.15
  6. Step 6: Final answer
    x = 1,579,208.55

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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.