Home / 1,939,367.21-2,909,050.74-914,458.93

Finding the Fourth Proportional to 1,939,367.21, 2,909,050.74 and 914,458.93

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Solution

The fourth proportional to 1,939,367.21, 2,909,050.74 and 914,458.93 is: 1,371,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,367.21 : 2,909,050.74 = 914,458.93 : x
  2. Step 2: Convert to fraction form
    1,939,367.21/2,909,050.74 = 914,458.93/x
  3. Step 3: Cross multiply
    1,939,367.21x = 2,909,050.74 × 914,458.93
  4. Step 4: Simplify right side
    1,939,367.21x = 2,660,207,427,016.11
  5. Step 5: Solve for x
    x = 2,660,207,427,016.11/1,939,367.21
  6. Step 6: Final answer
    x = 1,371,688.36

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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.