Home / 1,565,111.20-2,347,666.80-1,396,821.55

Finding the Fourth Proportional to 1,565,111.20, 2,347,666.80 and 1,396,821.55

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Solution

The fourth proportional to 1,565,111.20, 2,347,666.80 and 1,396,821.55 is: 2,095,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,111.20 : 2,347,666.80 = 1,396,821.55 : x
  2. Step 2: Convert to fraction form
    1,565,111.20/2,347,666.80 = 1,396,821.55/x
  3. Step 3: Cross multiply
    1,565,111.20x = 2,347,666.80 × 1,396,821.55
  4. Step 4: Simplify right side
    1,565,111.20x = 3,279,271,578,459.54
  5. Step 5: Solve for x
    x = 3,279,271,578,459.54/1,565,111.20
  6. Step 6: Final answer
    x = 2,095,232.33

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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.