Home / 1,917,441.28-2,645,980.32-1,101,070.63

Finding the Fourth Proportional to 1,917,441.28, 2,645,980.32 and 1,101,070.63

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Solution

The fourth proportional to 1,917,441.28, 2,645,980.32 and 1,101,070.63 is: 1,519,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,441.28 : 2,645,980.32 = 1,101,070.63 : x
  2. Step 2: Convert to fraction form
    1,917,441.28/2,645,980.32 = 1,101,070.63/x
  3. Step 3: Cross multiply
    1,917,441.28x = 2,645,980.32 × 1,101,070.63
  4. Step 4: Simplify right side
    1,917,441.28x = 2,913,411,217,910.00
  5. Step 5: Solve for x
    x = 2,913,411,217,910.00/1,917,441.28
  6. Step 6: Final answer
    x = 1,519,426.57

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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.