Home / 1,439,078.16-2,159,745.33-1,003,966.05

Finding the Fourth Proportional to 1,439,078.16, 2,159,745.33 and 1,003,966.05

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Solution

The fourth proportional to 1,439,078.16, 2,159,745.33 and 1,003,966.05 is: 1,506,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,078.16 : 2,159,745.33 = 1,003,966.05 : x
  2. Step 2: Convert to fraction form
    1,439,078.16/2,159,745.33 = 1,003,966.05/x
  3. Step 3: Cross multiply
    1,439,078.16x = 2,159,745.33 × 1,003,966.05
  4. Step 4: Simplify right side
    1,439,078.16x = 2,168,310,987,966.05
  5. Step 5: Solve for x
    x = 2,168,310,987,966.05/1,439,078.16
  6. Step 6: Final answer
    x = 1,506,736.08

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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.