Home / 1,533,333.43-2,114,564.86-1,211,811.63

Finding the Fourth Proportional to 1,533,333.43, 2,114,564.86 and 1,211,811.63

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Solution

The fourth proportional to 1,533,333.43, 2,114,564.86 and 1,211,811.63 is: 1,671,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,333.43 : 2,114,564.86 = 1,211,811.63 : x
  2. Step 2: Convert to fraction form
    1,533,333.43/2,114,564.86 = 1,211,811.63/x
  3. Step 3: Cross multiply
    1,533,333.43x = 2,114,564.86 × 1,211,811.63
  4. Step 4: Simplify right side
    1,533,333.43x = 2,562,454,289,737.32
  5. Step 5: Solve for x
    x = 2,562,454,289,737.32/1,533,333.43
  6. Step 6: Final answer
    x = 1,671,165.74

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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.