Home / 3,870,980.28-5,341,366.68-2,216,870.16

Finding the Fourth Proportional to 3,870,980.28, 5,341,366.68 and 2,216,870.16

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Solution

The fourth proportional to 3,870,980.28, 5,341,366.68 and 2,216,870.16 is: 3,058,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,980.28 : 5,341,366.68 = 2,216,870.16 : x
  2. Step 2: Convert to fraction form
    3,870,980.28/5,341,366.68 = 2,216,870.16/x
  3. Step 3: Cross multiply
    3,870,980.28x = 5,341,366.68 × 2,216,870.16
  4. Step 4: Simplify right side
    3,870,980.28x = 11,841,116,406,510.27
  5. Step 5: Solve for x
    x = 11,841,116,406,510.27/3,870,980.28
  6. Step 6: Final answer
    x = 3,058,945.16

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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.