Home / 1,938,951.32-2,904,095.88-1,405,247.16

Finding the Fourth Proportional to 1,938,951.32, 2,904,095.88 and 1,405,247.16

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Solution

The fourth proportional to 1,938,951.32, 2,904,095.88 and 1,405,247.16 is: 2,104,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,951.32 : 2,904,095.88 = 1,405,247.16 : x
  2. Step 2: Convert to fraction form
    1,938,951.32/2,904,095.88 = 1,405,247.16/x
  3. Step 3: Cross multiply
    1,938,951.32x = 2,904,095.88 × 1,405,247.16
  4. Step 4: Simplify right side
    1,938,951.32x = 4,080,972,487,737.70
  5. Step 5: Solve for x
    x = 4,080,972,487,737.70/1,938,951.32
  6. Step 6: Final answer
    x = 2,104,731.79

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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.