Home / 3,869,219.20-5,803,828.80-1,956,031.60

Finding the Fourth Proportional to 3,869,219.20, 5,803,828.80 and 1,956,031.60

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Solution

The fourth proportional to 3,869,219.20, 5,803,828.80 and 1,956,031.60 is: 2,934,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,219.20 : 5,803,828.80 = 1,956,031.60 : x
  2. Step 2: Convert to fraction form
    3,869,219.20/5,803,828.80 = 1,956,031.60/x
  3. Step 3: Cross multiply
    3,869,219.20x = 5,803,828.80 × 1,956,031.60
  4. Step 4: Simplify right side
    3,869,219.20x = 11,352,472,533,790.08
  5. Step 5: Solve for x
    x = 11,352,472,533,790.08/3,869,219.20
  6. Step 6: Final answer
    x = 2,934,047.40

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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.