Home / 1,897,187.27-2,619,000.74-1,122,574.55

Finding the Fourth Proportional to 1,897,187.27, 2,619,000.74 and 1,122,574.55

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Solution

The fourth proportional to 1,897,187.27, 2,619,000.74 and 1,122,574.55 is: 1,549,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,187.27 : 2,619,000.74 = 1,122,574.55 : x
  2. Step 2: Convert to fraction form
    1,897,187.27/2,619,000.74 = 1,122,574.55/x
  3. Step 3: Cross multiply
    1,897,187.27x = 2,619,000.74 × 1,122,574.55
  4. Step 4: Simplify right side
    1,897,187.27x = 2,940,023,566,866.60
  5. Step 5: Solve for x
    x = 2,940,023,566,866.60/1,897,187.27
  6. Step 6: Final answer
    x = 1,549,674.94

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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.