Home / 1,965,643.52-2,712,139.27-1,105,890.08

Finding the Fourth Proportional to 1,965,643.52, 2,712,139.27 and 1,105,890.08

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Solution

The fourth proportional to 1,965,643.52, 2,712,139.27 and 1,105,890.08 is: 1,525,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,643.52 : 2,712,139.27 = 1,105,890.08 : x
  2. Step 2: Convert to fraction form
    1,965,643.52/2,712,139.27 = 1,105,890.08/x
  3. Step 3: Cross multiply
    1,965,643.52x = 2,712,139.27 × 1,105,890.08
  4. Step 4: Simplify right side
    1,965,643.52x = 2,999,327,914,271.44
  5. Step 5: Solve for x
    x = 2,999,327,914,271.44/1,965,643.52
  6. Step 6: Final answer
    x = 1,525,875.82

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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.