Home / 1,977,490.70-2,729,010.60-1,117,999.70

Finding the Fourth Proportional to 1,977,490.70, 2,729,010.60 and 1,117,999.70

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Solution

The fourth proportional to 1,977,490.70, 2,729,010.60 and 1,117,999.70 is: 1,542,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,490.70 : 2,729,010.60 = 1,117,999.70 : x
  2. Step 2: Convert to fraction form
    1,977,490.70/2,729,010.60 = 1,117,999.70/x
  3. Step 3: Cross multiply
    1,977,490.70x = 2,729,010.60 × 1,117,999.70
  4. Step 4: Simplify right side
    1,977,490.70x = 3,051,033,032,096.82
  5. Step 5: Solve for x
    x = 3,051,033,032,096.82/1,977,490.70
  6. Step 6: Final answer
    x = 1,542,881.10

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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.