Home / 2,108,580.32-2,907,665.88-1,803,666.08

Finding the Fourth Proportional to 2,108,580.32, 2,907,665.88 and 1,803,666.08

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Solution

The fourth proportional to 2,108,580.32, 2,907,665.88 and 1,803,666.08 is: 2,487,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,580.32 : 2,907,665.88 = 1,803,666.08 : x
  2. Step 2: Convert to fraction form
    2,108,580.32/2,907,665.88 = 1,803,666.08/x
  3. Step 3: Cross multiply
    2,108,580.32x = 2,907,665.88 × 1,803,666.08
  4. Step 4: Simplify right side
    2,108,580.32x = 5,244,458,319,729.35
  5. Step 5: Solve for x
    x = 5,244,458,319,729.35/2,108,580.32
  6. Step 6: Final answer
    x = 2,487,198.74

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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.