Home / 1,917,761.21-2,646,573.98-1,046,643.47

Finding the Fourth Proportional to 1,917,761.21, 2,646,573.98 and 1,046,643.47

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Solution

The fourth proportional to 1,917,761.21, 2,646,573.98 and 1,046,643.47 is: 1,444,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,761.21 : 2,646,573.98 = 1,046,643.47 : x
  2. Step 2: Convert to fraction form
    1,917,761.21/2,646,573.98 = 1,046,643.47/x
  3. Step 3: Cross multiply
    1,917,761.21x = 2,646,573.98 × 1,046,643.47
  4. Step 4: Simplify right side
    1,917,761.21x = 2,770,019,355,572.82
  5. Step 5: Solve for x
    x = 2,770,019,355,572.82/1,917,761.21
  6. Step 6: Final answer
    x = 1,444,402.64

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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.