Home / 3,210,991.14-4,807,038.96-2,143,385.22

Finding the Fourth Proportional to 3,210,991.14, 4,807,038.96 and 2,143,385.22

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Solution

The fourth proportional to 3,210,991.14, 4,807,038.96 and 2,143,385.22 is: 3,208,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,991.14 : 4,807,038.96 = 2,143,385.22 : x
  2. Step 2: Convert to fraction form
    3,210,991.14/4,807,038.96 = 2,143,385.22/x
  3. Step 3: Cross multiply
    3,210,991.14x = 4,807,038.96 × 2,143,385.22
  4. Step 4: Simplify right side
    3,210,991.14x = 10,303,336,258,828.17
  5. Step 5: Solve for x
    x = 10,303,336,258,828.17/3,210,991.14
  6. Step 6: Final answer
    x = 3,208,771.31

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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.