Home / 1,786,985.67-2,466,059.27-971,189.40

Finding the Fourth Proportional to 1,786,985.67, 2,466,059.27 and 971,189.40

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Solution

The fourth proportional to 1,786,985.67, 2,466,059.27 and 971,189.40 is: 1,340,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,985.67 : 2,466,059.27 = 971,189.40 : x
  2. Step 2: Convert to fraction form
    1,786,985.67/2,466,059.27 = 971,189.40/x
  3. Step 3: Cross multiply
    1,786,985.67x = 2,466,059.27 × 971,189.40
  4. Step 4: Simplify right side
    1,786,985.67x = 2,395,010,622,795.74
  5. Step 5: Solve for x
    x = 2,395,010,622,795.74/1,786,985.67
  6. Step 6: Final answer
    x = 1,340,251.72

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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.