Home / 4,817,112.17-7,225,668.21-1,621,970.78

Finding the Fourth Proportional to 4,817,112.17, 7,225,668.21 and 1,621,970.78

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Solution

The fourth proportional to 4,817,112.17, 7,225,668.21 and 1,621,970.78 is: 2,432,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817,112.17 : 7,225,668.21 = 1,621,970.78 : x
  2. Step 2: Convert to fraction form
    4,817,112.17/7,225,668.21 = 1,621,970.78/x
  3. Step 3: Cross multiply
    4,817,112.17x = 7,225,668.21 × 1,621,970.78
  4. Step 4: Simplify right side
    4,817,112.17x = 11,719,822,702,594.90
  5. Step 5: Solve for x
    x = 11,719,822,702,594.90/4,817,112.17
  6. Step 6: Final answer
    x = 2,432,956.15

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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.