Home / 4,271,891.25-6,408,886.68-1,280,075.25

Finding the Fourth Proportional to 4,271,891.25, 6,408,886.68 and 1,280,075.25

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Solution

The fourth proportional to 4,271,891.25, 6,408,886.68 and 1,280,075.25 is: 1,920,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,891.25 : 6,408,886.68 = 1,280,075.25 : x
  2. Step 2: Convert to fraction form
    4,271,891.25/6,408,886.68 = 1,280,075.25/x
  3. Step 3: Cross multiply
    4,271,891.25x = 6,408,886.68 × 1,280,075.25
  4. Step 4: Simplify right side
    4,271,891.25x = 8,203,857,219,122.67
  5. Step 5: Solve for x
    x = 8,203,857,219,122.67/4,271,891.25
  6. Step 6: Final answer
    x = 1,920,427.45

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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.