Home / 1,971,120.44-2,720,150.16-1,065,702.44

Finding the Fourth Proportional to 1,971,120.44, 2,720,150.16 and 1,065,702.44

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Solution

The fourth proportional to 1,971,120.44, 2,720,150.16 and 1,065,702.44 is: 1,470,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,120.44 : 2,720,150.16 = 1,065,702.44 : x
  2. Step 2: Convert to fraction form
    1,971,120.44/2,720,150.16 = 1,065,702.44/x
  3. Step 3: Cross multiply
    1,971,120.44x = 2,720,150.16 × 1,065,702.44
  4. Step 4: Simplify right side
    1,971,120.44x = 2,898,870,662,678.39
  5. Step 5: Solve for x
    x = 2,898,870,662,678.39/1,971,120.44
  6. Step 6: Final answer
    x = 1,470,671.50

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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.