Home / 1,820,739.63-2,513,471-1,056,645.57

Finding the Fourth Proportional to 1,820,739.63, 2,513,471 and 1,056,645.57

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Solution

The fourth proportional to 1,820,739.63, 2,513,471 and 1,056,645.57 is: 1,458,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,739.63 : 2,513,471 = 1,056,645.57 : x
  2. Step 2: Convert to fraction form
    1,820,739.63/2,513,471 = 1,056,645.57/x
  3. Step 3: Cross multiply
    1,820,739.63x = 2,513,471 × 1,056,645.57
  4. Step 4: Simplify right side
    1,820,739.63x = 2,655,847,997,473.47
  5. Step 5: Solve for x
    x = 2,655,847,997,473.47/1,820,739.63
  6. Step 6: Final answer
    x = 1,458,664.35

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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.