Home / 3,885,205.60-5,827,808.40-1,225,813.60

Finding the Fourth Proportional to 3,885,205.60, 5,827,808.40 and 1,225,813.60

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Solution

The fourth proportional to 3,885,205.60, 5,827,808.40 and 1,225,813.60 is: 1,838,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,205.60 : 5,827,808.40 = 1,225,813.60 : x
  2. Step 2: Convert to fraction form
    3,885,205.60/5,827,808.40 = 1,225,813.60/x
  3. Step 3: Cross multiply
    3,885,205.60x = 5,827,808.40 × 1,225,813.60
  4. Step 4: Simplify right side
    3,885,205.60x = 7,143,806,794,914.24
  5. Step 5: Solve for x
    x = 7,143,806,794,914.24/3,885,205.60
  6. Step 6: Final answer
    x = 1,838,720.40

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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.