Home / 1,508,898.87-2,087,763.54-1,315,709.42

Finding the Fourth Proportional to 1,508,898.87, 2,087,763.54 and 1,315,709.42

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Solution

The fourth proportional to 1,508,898.87, 2,087,763.54 and 1,315,709.42 is: 1,820,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,898.87 : 2,087,763.54 = 1,315,709.42 : x
  2. Step 2: Convert to fraction form
    1,508,898.87/2,087,763.54 = 1,315,709.42/x
  3. Step 3: Cross multiply
    1,508,898.87x = 2,087,763.54 × 1,315,709.42
  4. Step 4: Simplify right side
    1,508,898.87x = 2,746,890,156,310.55
  5. Step 5: Solve for x
    x = 2,746,890,156,310.55/1,508,898.87
  6. Step 6: Final answer
    x = 1,820,460.08

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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.