Home / 1,516,907.94-2,090,454.90-1,086,440.72

Finding the Fourth Proportional to 1,516,907.94, 2,090,454.90 and 1,086,440.72

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Solution

The fourth proportional to 1,516,907.94, 2,090,454.90 and 1,086,440.72 is: 1,497,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,907.94 : 2,090,454.90 = 1,086,440.72 : x
  2. Step 2: Convert to fraction form
    1,516,907.94/2,090,454.90 = 1,086,440.72/x
  3. Step 3: Cross multiply
    1,516,907.94x = 2,090,454.90 × 1,086,440.72
  4. Step 4: Simplify right side
    1,516,907.94x = 2,271,155,326,683.53
  5. Step 5: Solve for x
    x = 2,271,155,326,683.53/1,516,907.94
  6. Step 6: Final answer
    x = 1,497,226.87

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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.