Home / 3,118,579.35-4,677,869.03-1,438,963.35

Finding the Fourth Proportional to 3,118,579.35, 4,677,869.03 and 1,438,963.35

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Solution

The fourth proportional to 3,118,579.35, 4,677,869.03 and 1,438,963.35 is: 2,158,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,579.35 : 4,677,869.03 = 1,438,963.35 : x
  2. Step 2: Convert to fraction form
    3,118,579.35/4,677,869.03 = 1,438,963.35/x
  3. Step 3: Cross multiply
    3,118,579.35x = 4,677,869.03 × 1,438,963.35
  4. Step 4: Simplify right side
    3,118,579.35x = 6,731,282,083,075.24
  5. Step 5: Solve for x
    x = 6,731,282,083,075.24/3,118,579.35
  6. Step 6: Final answer
    x = 2,158,445.03

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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.