Home / 1,549,629.18-2,138,910.57-1,005,733.35

Finding the Fourth Proportional to 1,549,629.18, 2,138,910.57 and 1,005,733.35

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Solution

The fourth proportional to 1,549,629.18, 2,138,910.57 and 1,005,733.35 is: 1,388,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,629.18 : 2,138,910.57 = 1,005,733.35 : x
  2. Step 2: Convert to fraction form
    1,549,629.18/2,138,910.57 = 1,005,733.35/x
  3. Step 3: Cross multiply
    1,549,629.18x = 2,138,910.57 × 1,005,733.35
  4. Step 4: Simplify right side
    1,549,629.18x = 2,151,173,692,916.51
  5. Step 5: Solve for x
    x = 2,151,173,692,916.51/1,549,629.18
  6. Step 6: Final answer
    x = 1,388,186.10

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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.