Home / 3,870,981.26-5,341,368.06-2,216,871.14

Finding the Fourth Proportional to 3,870,981.26, 5,341,368.06 and 2,216,871.14

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Solution

The fourth proportional to 3,870,981.26, 5,341,368.06 and 2,216,871.14 is: 3,058,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,981.26 : 5,341,368.06 = 2,216,871.14 : x
  2. Step 2: Convert to fraction form
    3,870,981.26/5,341,368.06 = 2,216,871.14/x
  3. Step 3: Cross multiply
    3,870,981.26x = 5,341,368.06 × 2,216,871.14
  4. Step 4: Simplify right side
    3,870,981.26x = 11,841,124,700,331.79
  5. Step 5: Solve for x
    x = 11,841,124,700,331.79/3,870,981.26
  6. Step 6: Final answer
    x = 3,058,946.53

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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.