Home / 3,774,688.41-5,209,538.94-2,143,619.70

Finding the Fourth Proportional to 3,774,688.41, 5,209,538.94 and 2,143,619.70

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Solution

The fourth proportional to 3,774,688.41, 5,209,538.94 and 2,143,619.70 is: 2,958,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774,688.41 : 5,209,538.94 = 2,143,619.70 : x
  2. Step 2: Convert to fraction form
    3,774,688.41/5,209,538.94 = 2,143,619.70/x
  3. Step 3: Cross multiply
    3,774,688.41x = 5,209,538.94 × 2,143,619.70
  4. Step 4: Simplify right side
    3,774,688.41x = 11,167,270,299,701.12
  5. Step 5: Solve for x
    x = 11,167,270,299,701.12/3,774,688.41
  6. Step 6: Final answer
    x = 2,958,461.49

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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.