Home / 1,638,742.10-2,261,465.48-913,575.27

Finding the Fourth Proportional to 1,638,742.10, 2,261,465.48 and 913,575.27

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Solution

The fourth proportional to 1,638,742.10, 2,261,465.48 and 913,575.27 is: 1,260,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,742.10 : 2,261,465.48 = 913,575.27 : x
  2. Step 2: Convert to fraction form
    1,638,742.10/2,261,465.48 = 913,575.27/x
  3. Step 3: Cross multiply
    1,638,742.10x = 2,261,465.48 × 913,575.27
  4. Step 4: Simplify right side
    1,638,742.10x = 2,066,018,947,251.11
  5. Step 5: Solve for x
    x = 2,066,018,947,251.11/1,638,742.10
  6. Step 6: Final answer
    x = 1,260,734.65

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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.