Home / 2,166,566.61-2,989,825.30-1,199,676.14

Finding the Fourth Proportional to 2,166,566.61, 2,989,825.30 and 1,199,676.14

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Solution

The fourth proportional to 2,166,566.61, 2,989,825.30 and 1,199,676.14 is: 1,655,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,566.61 : 2,989,825.30 = 1,199,676.14 : x
  2. Step 2: Convert to fraction form
    2,166,566.61/2,989,825.30 = 1,199,676.14/x
  3. Step 3: Cross multiply
    2,166,566.61x = 2,989,825.30 × 1,199,676.14
  4. Step 4: Simplify right side
    2,166,566.61x = 3,586,822,077,975.45
  5. Step 5: Solve for x
    x = 3,586,822,077,975.45/2,166,566.61
  6. Step 6: Final answer
    x = 1,655,532.80

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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.