Home / 2,152,120.08-2,969,889.48-1,185,340.40

Finding the Fourth Proportional to 2,152,120.08, 2,969,889.48 and 1,185,340.40

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Solution

The fourth proportional to 2,152,120.08, 2,969,889.48 and 1,185,340.40 is: 1,635,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,120.08 : 2,969,889.48 = 1,185,340.40 : x
  2. Step 2: Convert to fraction form
    2,152,120.08/2,969,889.48 = 1,185,340.40/x
  3. Step 3: Cross multiply
    2,152,120.08x = 2,969,889.48 × 1,185,340.40
  4. Step 4: Simplify right side
    2,152,120.08x = 3,520,329,984,178.99
  5. Step 5: Solve for x
    x = 3,520,329,984,178.99/2,152,120.08
  6. Step 6: Final answer
    x = 1,635,749.80

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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.