Home / 1,681,071.45-2,319,867.45-955,919.22

Finding the Fourth Proportional to 1,681,071.45, 2,319,867.45 and 955,919.22

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Solution

The fourth proportional to 1,681,071.45, 2,319,867.45 and 955,919.22 is: 1,319,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,071.45 : 2,319,867.45 = 955,919.22 : x
  2. Step 2: Convert to fraction form
    1,681,071.45/2,319,867.45 = 955,919.22/x
  3. Step 3: Cross multiply
    1,681,071.45x = 2,319,867.45 × 955,919.22
  4. Step 4: Simplify right side
    1,681,071.45x = 2,217,605,883,307.39
  5. Step 5: Solve for x
    x = 2,217,605,883,307.39/1,681,071.45
  6. Step 6: Final answer
    x = 1,319,162.18

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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.