Home / 2,152,113.08-2,969,879.84-1,185,333.40

Finding the Fourth Proportional to 2,152,113.08, 2,969,879.84 and 1,185,333.40

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Solution

The fourth proportional to 2,152,113.08, 2,969,879.84 and 1,185,333.40 is: 1,635,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,113.08 : 2,969,879.84 = 1,185,333.40 : x
  2. Step 2: Convert to fraction form
    2,152,113.08/2,969,879.84 = 1,185,333.40/x
  3. Step 3: Cross multiply
    2,152,113.08x = 2,969,879.84 × 1,185,333.40
  4. Step 4: Simplify right side
    2,152,113.08x = 3,520,297,768,338.66
  5. Step 5: Solve for x
    x = 3,520,297,768,338.66/2,152,113.08
  6. Step 6: Final answer
    x = 1,635,740.15

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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.