Home / 5,323,818.54-7,987,071.42-1,485,637.76

Finding the Fourth Proportional to 5,323,818.54, 7,987,071.42 and 1,485,637.76

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Solution

The fourth proportional to 5,323,818.54, 7,987,071.42 and 1,485,637.76 is: 2,228,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323,818.54 : 7,987,071.42 = 1,485,637.76 : x
  2. Step 2: Convert to fraction form
    5,323,818.54/7,987,071.42 = 1,485,637.76/x
  3. Step 3: Cross multiply
    5,323,818.54x = 7,987,071.42 × 1,485,637.76
  4. Step 4: Simplify right side
    5,323,818.54x = 11,865,894,893,368.82
  5. Step 5: Solve for x
    x = 11,865,894,893,368.82/5,323,818.54
  6. Step 6: Final answer
    x = 2,228,831.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.