Home / 3,057,776.05-4,219,733.55-1,681,143.10

Finding the Fourth Proportional to 3,057,776.05, 4,219,733.55 and 1,681,143.10

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Solution

The fourth proportional to 3,057,776.05, 4,219,733.55 and 1,681,143.10 is: 2,319,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,776.05 : 4,219,733.55 = 1,681,143.10 : x
  2. Step 2: Convert to fraction form
    3,057,776.05/4,219,733.55 = 1,681,143.10/x
  3. Step 3: Cross multiply
    3,057,776.05x = 4,219,733.55 × 1,681,143.10
  4. Step 4: Simplify right side
    3,057,776.05x = 7,093,975,941,421.01
  5. Step 5: Solve for x
    x = 7,093,975,941,421.01/3,057,776.05
  6. Step 6: Final answer
    x = 2,319,978.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.