Home / 1,551,886.43-2,140,390.02-1,008,197.39

Finding the Fourth Proportional to 1,551,886.43, 2,140,390.02 and 1,008,197.39

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Solution

The fourth proportional to 1,551,886.43, 2,140,390.02 and 1,008,197.39 is: 1,390,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,886.43 : 2,140,390.02 = 1,008,197.39 : x
  2. Step 2: Convert to fraction form
    1,551,886.43/2,140,390.02 = 1,008,197.39/x
  3. Step 3: Cross multiply
    1,551,886.43x = 2,140,390.02 × 1,008,197.39
  4. Step 4: Simplify right side
    1,551,886.43x = 2,157,935,629,186.81
  5. Step 5: Solve for x
    x = 2,157,935,629,186.81/1,551,886.43
  6. Step 6: Final answer
    x = 1,390,524.20

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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.