Home / 4,021,390.80-6,032,669.40-1,325,257.20

Finding the Fourth Proportional to 4,021,390.80, 6,032,669.40 and 1,325,257.20

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Solution

The fourth proportional to 4,021,390.80, 6,032,669.40 and 1,325,257.20 is: 1,988,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021,390.80 : 6,032,669.40 = 1,325,257.20 : x
  2. Step 2: Convert to fraction form
    4,021,390.80/6,032,669.40 = 1,325,257.20/x
  3. Step 3: Cross multiply
    4,021,390.80x = 6,032,669.40 × 1,325,257.20
  4. Step 4: Simplify right side
    4,021,390.80x = 7,994,838,557,569.68
  5. Step 5: Solve for x
    x = 7,994,838,557,569.68/4,021,390.80
  6. Step 6: Final answer
    x = 1,988,077.99

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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.