Home / 1,638,897.80-2,260,875.06-1,095,167.12

Finding the Fourth Proportional to 1,638,897.80, 2,260,875.06 and 1,095,167.12

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Solution

The fourth proportional to 1,638,897.80, 2,260,875.06 and 1,095,167.12 is: 1,510,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,897.80 : 2,260,875.06 = 1,095,167.12 : x
  2. Step 2: Convert to fraction form
    1,638,897.80/2,260,875.06 = 1,095,167.12/x
  3. Step 3: Cross multiply
    1,638,897.80x = 2,260,875.06 × 1,095,167.12
  4. Step 4: Simplify right side
    1,638,897.80x = 2,476,036,028,140.03
  5. Step 5: Solve for x
    x = 2,476,036,028,140.03/1,638,897.80
  6. Step 6: Final answer
    x = 1,510,793.43

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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.