Home / 2,018,531.22-3,022,878.30-1,335,001.65

Finding the Fourth Proportional to 2,018,531.22, 3,022,878.30 and 1,335,001.65

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Solution

The fourth proportional to 2,018,531.22, 3,022,878.30 and 1,335,001.65 is: 1,999,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,531.22 : 3,022,878.30 = 1,335,001.65 : x
  2. Step 2: Convert to fraction form
    2,018,531.22/3,022,878.30 = 1,335,001.65/x
  3. Step 3: Cross multiply
    2,018,531.22x = 3,022,878.30 × 1,335,001.65
  4. Step 4: Simplify right side
    2,018,531.22x = 4,035,547,518,249.19
  5. Step 5: Solve for x
    x = 4,035,547,518,249.19/2,018,531.22
  6. Step 6: Final answer
    x = 1,999,249.49

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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.