Home / 1,977,071.24-2,728,355.70-1,071,653

Finding the Fourth Proportional to 1,977,071.24, 2,728,355.70 and 1,071,653

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Solution

The fourth proportional to 1,977,071.24, 2,728,355.70 and 1,071,653 is: 1,478,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,071.24 : 2,728,355.70 = 1,071,653 : x
  2. Step 2: Convert to fraction form
    1,977,071.24/2,728,355.70 = 1,071,653/x
  3. Step 3: Cross multiply
    1,977,071.24x = 2,728,355.70 × 1,071,653
  4. Step 4: Simplify right side
    1,977,071.24x = 2,923,850,570,972.10
  5. Step 5: Solve for x
    x = 2,923,850,570,972.10/1,977,071.24
  6. Step 6: Final answer
    x = 1,478,879.72

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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.