Home / 1,806,979.35-2,493,709.70-1,081,686.72

Finding the Fourth Proportional to 1,806,979.35, 2,493,709.70 and 1,081,686.72

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Solution

The fourth proportional to 1,806,979.35, 2,493,709.70 and 1,081,686.72 is: 1,492,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,979.35 : 2,493,709.70 = 1,081,686.72 : x
  2. Step 2: Convert to fraction form
    1,806,979.35/2,493,709.70 = 1,081,686.72/x
  3. Step 3: Cross multiply
    1,806,979.35x = 2,493,709.70 × 1,081,686.72
  4. Step 4: Simplify right side
    1,806,979.35x = 2,697,412,666,025.18
  5. Step 5: Solve for x
    x = 2,697,412,666,025.18/1,806,979.35
  6. Step 6: Final answer
    x = 1,492,774.48

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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.