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Finding the Fourth Proportional to 3,534,288, 5,301,432 and 874,896

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Solution

The fourth proportional to 3,534,288, 5,301,432 and 874,896 is: 1,312,344

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534,288 : 5,301,432 = 874,896 : x
  2. Step 2: Convert to fraction form
    3,534,288/5,301,432 = 874,896/x
  3. Step 3: Cross multiply
    3,534,288x = 5,301,432 × 874,896
  4. Step 4: Simplify right side
    3,534,288x = 4,638,201,651,072
  5. Step 5: Solve for x
    x = 4,638,201,651,072/3,534,288
  6. Step 6: Final answer
    x = 1,312,344

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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.