Home / 2,113,038.40-3,165,307.08-1,601,578.34

Finding the Fourth Proportional to 2,113,038.40, 3,165,307.08 and 1,601,578.34

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Solution

The fourth proportional to 2,113,038.40, 3,165,307.08 and 1,601,578.34 is: 2,399,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,038.40 : 3,165,307.08 = 1,601,578.34 : x
  2. Step 2: Convert to fraction form
    2,113,038.40/3,165,307.08 = 1,601,578.34/x
  3. Step 3: Cross multiply
    2,113,038.40x = 3,165,307.08 × 1,601,578.34
  4. Step 4: Simplify right side
    2,113,038.40x = 5,069,487,258,776.65
  5. Step 5: Solve for x
    x = 5,069,487,258,776.65/2,113,038.40
  6. Step 6: Final answer
    x = 2,399,145.83

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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.