Home / 2,974,769.64-4,105,226.34-1,616,643.72

Finding the Fourth Proportional to 2,974,769.64, 4,105,226.34 and 1,616,643.72

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Solution

The fourth proportional to 2,974,769.64, 4,105,226.34 and 1,616,643.72 is: 2,230,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974,769.64 : 4,105,226.34 = 1,616,643.72 : x
  2. Step 2: Convert to fraction form
    2,974,769.64/4,105,226.34 = 1,616,643.72/x
  3. Step 3: Cross multiply
    2,974,769.64x = 4,105,226.34 × 1,616,643.72
  4. Step 4: Simplify right side
    2,974,769.64x = 6,636,688,381,739.58
  5. Step 5: Solve for x
    x = 6,636,688,381,739.58/2,974,769.64
  6. Step 6: Final answer
    x = 2,230,992.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.