Home / 2,884,228.16-3,980,072.84-1,577,220.80

Finding the Fourth Proportional to 2,884,228.16, 3,980,072.84 and 1,577,220.80

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Solution

The fourth proportional to 2,884,228.16, 3,980,072.84 and 1,577,220.80 is: 2,176,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884,228.16 : 3,980,072.84 = 1,577,220.80 : x
  2. Step 2: Convert to fraction form
    2,884,228.16/3,980,072.84 = 1,577,220.80/x
  3. Step 3: Cross multiply
    2,884,228.16x = 3,980,072.84 × 1,577,220.80
  4. Step 4: Simplify right side
    2,884,228.16x = 6,277,453,640,976.60
  5. Step 5: Solve for x
    x = 6,277,453,640,976.60/2,884,228.16
  6. Step 6: Final answer
    x = 2,176,476.10

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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.