Home / 4,828,811.90-7,243,217.85-3,128,200.70

Finding the Fourth Proportional to 4,828,811.90, 7,243,217.85 and 3,128,200.70

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Solution

The fourth proportional to 4,828,811.90, 7,243,217.85 and 3,128,200.70 is: 4,692,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828,811.90 : 7,243,217.85 = 3,128,200.70 : x
  2. Step 2: Convert to fraction form
    4,828,811.90/7,243,217.85 = 3,128,200.70/x
  3. Step 3: Cross multiply
    4,828,811.90x = 7,243,217.85 × 3,128,200.70
  4. Step 4: Simplify right side
    4,828,811.90x = 22,658,239,148,622.50
  5. Step 5: Solve for x
    x = 22,658,239,148,622.50/4,828,811.90
  6. Step 6: Final answer
    x = 4,692,301.05

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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.