Home / 1,621,178.10-2,237,341.61-896,010.21

Finding the Fourth Proportional to 1,621,178.10, 2,237,341.61 and 896,010.21

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Solution

The fourth proportional to 1,621,178.10, 2,237,341.61 and 896,010.21 is: 1,236,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,178.10 : 2,237,341.61 = 896,010.21 : x
  2. Step 2: Convert to fraction form
    1,621,178.10/2,237,341.61 = 896,010.21/x
  3. Step 3: Cross multiply
    1,621,178.10x = 2,237,341.61 × 896,010.21
  4. Step 4: Simplify right side
    1,621,178.10x = 2,004,680,925,817.84
  5. Step 5: Solve for x
    x = 2,004,680,925,817.84/1,621,178.10
  6. Step 6: Final answer
    x = 1,236,558.11

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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.