Home / 3,870,228.85-5,341,018.56-2,127,971.71

Finding the Fourth Proportional to 3,870,228.85, 5,341,018.56 and 2,127,971.71

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Solution

The fourth proportional to 3,870,228.85, 5,341,018.56 and 2,127,971.71 is: 2,936,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,228.85 : 5,341,018.56 = 2,127,971.71 : x
  2. Step 2: Convert to fraction form
    3,870,228.85/5,341,018.56 = 2,127,971.71/x
  3. Step 3: Cross multiply
    3,870,228.85x = 5,341,018.56 × 2,127,971.71
  4. Step 4: Simplify right side
    3,870,228.85x = 11,365,536,398,264.94
  5. Step 5: Solve for x
    x = 11,365,536,398,264.94/3,870,228.85
  6. Step 6: Final answer
    x = 2,936,657.45

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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.