Home / 3,864,570.86-5,333,006.31-2,145,647.18

Finding the Fourth Proportional to 3,864,570.86, 5,333,006.31 and 2,145,647.18

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Solution

The fourth proportional to 3,864,570.86, 5,333,006.31 and 2,145,647.18 is: 2,960,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,570.86 : 5,333,006.31 = 2,145,647.18 : x
  2. Step 2: Convert to fraction form
    3,864,570.86/5,333,006.31 = 2,145,647.18/x
  3. Step 3: Cross multiply
    3,864,570.86x = 5,333,006.31 × 2,145,647.18
  4. Step 4: Simplify right side
    3,864,570.86x = 11,442,749,949,973.71
  5. Step 5: Solve for x
    x = 11,442,749,949,973.71/3,864,570.86
  6. Step 6: Final answer
    x = 2,960,936.77

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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.