Home / 4,812,913.40-7,219,370.10-3,868,129.40

Finding the Fourth Proportional to 4,812,913.40, 7,219,370.10 and 3,868,129.40

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Solution

The fourth proportional to 4,812,913.40, 7,219,370.10 and 3,868,129.40 is: 5,802,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,913.40 : 7,219,370.10 = 3,868,129.40 : x
  2. Step 2: Convert to fraction form
    4,812,913.40/7,219,370.10 = 3,868,129.40/x
  3. Step 3: Cross multiply
    4,812,913.40x = 7,219,370.10 × 3,868,129.40
  4. Step 4: Simplify right side
    4,812,913.40x = 27,925,457,733,290.94
  5. Step 5: Solve for x
    x = 27,925,457,733,290.94/4,812,913.40
  6. Step 6: Final answer
    x = 5,802,194.10

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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.