Home / 1,820,719.38-2,513,443.05-1,056,625.32

Finding the Fourth Proportional to 1,820,719.38, 2,513,443.05 and 1,056,625.32

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Solution

The fourth proportional to 1,820,719.38, 2,513,443.05 and 1,056,625.32 is: 1,458,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,719.38 : 2,513,443.05 = 1,056,625.32 : x
  2. Step 2: Convert to fraction form
    1,820,719.38/2,513,443.05 = 1,056,625.32/x
  3. Step 3: Cross multiply
    1,820,719.38x = 2,513,443.05 × 1,056,625.32
  4. Step 4: Simplify right side
    1,820,719.38x = 2,655,767,567,008.03
  5. Step 5: Solve for x
    x = 2,655,767,567,008.03/1,820,719.38
  6. Step 6: Final answer
    x = 1,458,636.40

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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.