Home / 1,811,211.90-2,717,145.90-910,386.60

Finding the Fourth Proportional to 1,811,211.90, 2,717,145.90 and 910,386.60

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Solution

The fourth proportional to 1,811,211.90, 2,717,145.90 and 910,386.60 is: 1,365,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,211.90 : 2,717,145.90 = 910,386.60 : x
  2. Step 2: Convert to fraction form
    1,811,211.90/2,717,145.90 = 910,386.60/x
  3. Step 3: Cross multiply
    1,811,211.90x = 2,717,145.90 × 910,386.60
  4. Step 4: Simplify right side
    1,811,211.90x = 2,473,653,217,604.94
  5. Step 5: Solve for x
    x = 2,473,653,217,604.94/1,811,211.90
  6. Step 6: Final answer
    x = 1,365,744.79

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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.