Home / 2,122,880.85-2,929,546.65-1,205,101.98

Finding the Fourth Proportional to 2,122,880.85, 2,929,546.65 and 1,205,101.98

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Solution

The fourth proportional to 2,122,880.85, 2,929,546.65 and 1,205,101.98 is: 1,663,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,880.85 : 2,929,546.65 = 1,205,101.98 : x
  2. Step 2: Convert to fraction form
    2,122,880.85/2,929,546.65 = 1,205,101.98/x
  3. Step 3: Cross multiply
    2,122,880.85x = 2,929,546.65 × 1,205,101.98
  4. Step 4: Simplify right side
    2,122,880.85x = 3,530,402,468,417.37
  5. Step 5: Solve for x
    x = 3,530,402,468,417.37/2,122,880.85
  6. Step 6: Final answer
    x = 1,663,024.31

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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.