Home / 3,712,582.61-5,123,600.78-2,080,990.39

Finding the Fourth Proportional to 3,712,582.61, 5,123,600.78 and 2,080,990.39

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Solution

The fourth proportional to 3,712,582.61, 5,123,600.78 and 2,080,990.39 is: 2,871,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,582.61 : 5,123,600.78 = 2,080,990.39 : x
  2. Step 2: Convert to fraction form
    3,712,582.61/5,123,600.78 = 2,080,990.39/x
  3. Step 3: Cross multiply
    3,712,582.61x = 5,123,600.78 × 2,080,990.39
  4. Step 4: Simplify right side
    3,712,582.61x = 10,662,163,985,376.50
  5. Step 5: Solve for x
    x = 10,662,163,985,376.50/3,712,582.61
  6. Step 6: Final answer
    x = 2,871,899.46

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1.5x scale

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.