Home / 1,719,109.40-2,578,664.10-1,547,867.30

Finding the Fourth Proportional to 1,719,109.40, 2,578,664.10 and 1,547,867.30

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Solution

The fourth proportional to 1,719,109.40, 2,578,664.10 and 1,547,867.30 is: 2,321,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,109.40 : 2,578,664.10 = 1,547,867.30 : x
  2. Step 2: Convert to fraction form
    1,719,109.40/2,578,664.10 = 1,547,867.30/x
  3. Step 3: Cross multiply
    1,719,109.40x = 2,578,664.10 × 1,547,867.30
  4. Step 4: Simplify right side
    1,719,109.40x = 3,991,429,838,073.93
  5. Step 5: Solve for x
    x = 3,991,429,838,073.93/1,719,109.40
  6. Step 6: Final answer
    x = 2,321,800.95

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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.