Home / 2,405,680.19-3,319,810.88-1,303,090.47

Finding the Fourth Proportional to 2,405,680.19, 3,319,810.88 and 1,303,090.47

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Solution

The fourth proportional to 2,405,680.19, 3,319,810.88 and 1,303,090.47 is: 1,798,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,680.19 : 3,319,810.88 = 1,303,090.47 : x
  2. Step 2: Convert to fraction form
    2,405,680.19/3,319,810.88 = 1,303,090.47/x
  3. Step 3: Cross multiply
    2,405,680.19x = 3,319,810.88 × 1,303,090.47
  4. Step 4: Simplify right side
    2,405,680.19x = 4,326,013,913,414.86
  5. Step 5: Solve for x
    x = 4,326,013,913,414.86/2,405,680.19
  6. Step 6: Final answer
    x = 1,798,249.80

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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.