Home / 1,661,872.07-2,492,808.75-1,283,346.11

Finding the Fourth Proportional to 1,661,872.07, 2,492,808.75 and 1,283,346.11

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Solution

The fourth proportional to 1,661,872.07, 2,492,808.75 and 1,283,346.11 is: 1,925,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,872.07 : 2,492,808.75 = 1,283,346.11 : x
  2. Step 2: Convert to fraction form
    1,661,872.07/2,492,808.75 = 1,283,346.11/x
  3. Step 3: Cross multiply
    1,661,872.07x = 2,492,808.75 × 1,283,346.11
  4. Step 4: Simplify right side
    1,661,872.07x = 3,199,136,418,518.48
  5. Step 5: Solve for x
    x = 3,199,136,418,518.48/1,661,872.07
  6. Step 6: Final answer
    x = 1,925,019.66

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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.