Home / 3,864,919.40-5,333,486.28-2,145,995.72

Finding the Fourth Proportional to 3,864,919.40, 5,333,486.28 and 2,145,995.72

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Solution

The fourth proportional to 3,864,919.40, 5,333,486.28 and 2,145,995.72 is: 2,961,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,919.40 : 5,333,486.28 = 2,145,995.72 : x
  2. Step 2: Convert to fraction form
    3,864,919.40/5,333,486.28 = 2,145,995.72/x
  3. Step 3: Cross multiply
    3,864,919.40x = 5,333,486.28 × 2,145,995.72
  4. Step 4: Simplify right side
    3,864,919.40x = 11,445,638,729,558.72
  5. Step 5: Solve for x
    x = 11,445,638,729,558.72/3,864,919.40
  6. Step 6: Final answer
    x = 2,961,417.18

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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.