Home / 1,885,647.78-2,602,144.02-1,026,189.54

Finding the Fourth Proportional to 1,885,647.78, 2,602,144.02 and 1,026,189.54

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Solution

The fourth proportional to 1,885,647.78, 2,602,144.02 and 1,026,189.54 is: 1,416,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,647.78 : 2,602,144.02 = 1,026,189.54 : x
  2. Step 2: Convert to fraction form
    1,885,647.78/2,602,144.02 = 1,026,189.54/x
  3. Step 3: Cross multiply
    1,885,647.78x = 2,602,144.02 × 1,026,189.54
  4. Step 4: Simplify right side
    1,885,647.78x = 2,670,292,974,897.55
  5. Step 5: Solve for x
    x = 2,670,292,974,897.55/1,885,647.78
  6. Step 6: Final answer
    x = 1,416,114.40

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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.