Home / 3,636,403.65-5,018,235.36-2,087,765.21

Finding the Fourth Proportional to 3,636,403.65, 5,018,235.36 and 2,087,765.21

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Solution

The fourth proportional to 3,636,403.65, 5,018,235.36 and 2,087,765.21 is: 2,881,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636,403.65 : 5,018,235.36 = 2,087,765.21 : x
  2. Step 2: Convert to fraction form
    3,636,403.65/5,018,235.36 = 2,087,765.21/x
  3. Step 3: Cross multiply
    3,636,403.65x = 5,018,235.36 × 2,087,765.21
  4. Step 4: Simplify right side
    3,636,403.65x = 10,476,897,175,108.65
  5. Step 5: Solve for x
    x = 10,476,897,175,108.65/3,636,403.65
  6. Step 6: Final answer
    x = 2,881,115.02

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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.