Home / 2,993,421.15-4,130,919.88-1,616,764.32

Finding the Fourth Proportional to 2,993,421.15, 4,130,919.88 and 1,616,764.32

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Solution

The fourth proportional to 2,993,421.15, 4,130,919.88 and 1,616,764.32 is: 2,231,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,421.15 : 4,130,919.88 = 1,616,764.32 : x
  2. Step 2: Convert to fraction form
    2,993,421.15/4,130,919.88 = 1,616,764.32/x
  3. Step 3: Cross multiply
    2,993,421.15x = 4,130,919.88 × 1,616,764.32
  4. Step 4: Simplify right side
    2,993,421.15x = 6,678,723,866,720.77
  5. Step 5: Solve for x
    x = 6,678,723,866,720.77/2,993,421.15
  6. Step 6: Final answer
    x = 2,231,134.05

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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.