Home / 2,142,727.61-3,213,923.75-626,424.62

Finding the Fourth Proportional to 2,142,727.61, 3,213,923.75 and 626,424.62

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Solution

The fourth proportional to 2,142,727.61, 3,213,923.75 and 626,424.62 is: 939,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,727.61 : 3,213,923.75 = 626,424.62 : x
  2. Step 2: Convert to fraction form
    2,142,727.61/3,213,923.75 = 626,424.62/x
  3. Step 3: Cross multiply
    2,142,727.61x = 3,213,923.75 × 626,424.62
  4. Step 4: Simplify right side
    2,142,727.61x = 2,013,280,968,705.41
  5. Step 5: Solve for x
    x = 2,013,280,968,705.41/2,142,727.61
  6. Step 6: Final answer
    x = 939,587.91

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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.