Home / 2,220,009.40-3,064,205.06-1,253,705.32

Finding the Fourth Proportional to 2,220,009.40, 3,064,205.06 and 1,253,705.32

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Solution

The fourth proportional to 2,220,009.40, 3,064,205.06 and 1,253,705.32 is: 1,730,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,009.40 : 3,064,205.06 = 1,253,705.32 : x
  2. Step 2: Convert to fraction form
    2,220,009.40/3,064,205.06 = 1,253,705.32/x
  3. Step 3: Cross multiply
    2,220,009.40x = 3,064,205.06 × 1,253,705.32
  4. Step 4: Simplify right side
    2,220,009.40x = 3,841,610,185,292.92
  5. Step 5: Solve for x
    x = 3,841,610,185,292.92/2,220,009.40
  6. Step 6: Final answer
    x = 1,730,447.71

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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.