Home / 3,938,382-5,434,967.16-2,127,546

Finding the Fourth Proportional to 3,938,382, 5,434,967.16 and 2,127,546

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Solution

The fourth proportional to 3,938,382, 5,434,967.16 and 2,127,546 is: 2,936,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,382 : 5,434,967.16 = 2,127,546 : x
  2. Step 2: Convert to fraction form
    3,938,382/5,434,967.16 = 2,127,546/x
  3. Step 3: Cross multiply
    3,938,382x = 5,434,967.16 × 2,127,546
  4. Step 4: Simplify right side
    3,938,382x = 11,563,142,641,389.36
  5. Step 5: Solve for x
    x = 11,563,142,641,389.36/3,938,382
  6. Step 6: Final answer
    x = 2,936,013.48

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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.