Home / 1,818,431.40-2,509,455.03-1,002,636.66

Finding the Fourth Proportional to 1,818,431.40, 2,509,455.03 and 1,002,636.66

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Solution

The fourth proportional to 1,818,431.40, 2,509,455.03 and 1,002,636.66 is: 1,383,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,431.40 : 2,509,455.03 = 1,002,636.66 : x
  2. Step 2: Convert to fraction form
    1,818,431.40/2,509,455.03 = 1,002,636.66/x
  3. Step 3: Cross multiply
    1,818,431.40x = 2,509,455.03 × 1,002,636.66
  4. Step 4: Simplify right side
    1,818,431.40x = 2,516,071,609,699.40
  5. Step 5: Solve for x
    x = 2,516,071,609,699.40/1,818,431.40
  6. Step 6: Final answer
    x = 1,383,649.45

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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.