Home / 2,628,196.40-3,939,378.60-1,030,228.40

Finding the Fourth Proportional to 2,628,196.40, 3,939,378.60 and 1,030,228.40

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Solution

The fourth proportional to 2,628,196.40, 3,939,378.60 and 1,030,228.40 is: 1,544,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,196.40 : 3,939,378.60 = 1,030,228.40 : x
  2. Step 2: Convert to fraction form
    2,628,196.40/3,939,378.60 = 1,030,228.40/x
  3. Step 3: Cross multiply
    2,628,196.40x = 3,939,378.60 × 1,030,228.40
  4. Step 4: Simplify right side
    2,628,196.40x = 4,058,459,712,072.24
  5. Step 5: Solve for x
    x = 4,058,459,712,072.24/2,628,196.40
  6. Step 6: Final answer
    x = 1,544,199.56

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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.