Home / 1,688,496.57-2,328,550.94-1,563,099.46

Finding the Fourth Proportional to 1,688,496.57, 2,328,550.94 and 1,563,099.46

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Solution

The fourth proportional to 1,688,496.57, 2,328,550.94 and 1,563,099.46 is: 2,155,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,496.57 : 2,328,550.94 = 1,563,099.46 : x
  2. Step 2: Convert to fraction form
    1,688,496.57/2,328,550.94 = 1,563,099.46/x
  3. Step 3: Cross multiply
    1,688,496.57x = 2,328,550.94 × 1,563,099.46
  4. Step 4: Simplify right side
    1,688,496.57x = 3,639,756,714,982.86
  5. Step 5: Solve for x
    x = 3,639,756,714,982.86/1,688,496.57
  6. Step 6: Final answer
    x = 2,155,619.85

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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.