Home / 2,987,708.64-4,123,018.08-1,698,549.36

Finding the Fourth Proportional to 2,987,708.64, 4,123,018.08 and 1,698,549.36

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Solution

The fourth proportional to 2,987,708.64, 4,123,018.08 and 1,698,549.36 is: 2,343,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,708.64 : 4,123,018.08 = 1,698,549.36 : x
  2. Step 2: Convert to fraction form
    2,987,708.64/4,123,018.08 = 1,698,549.36/x
  3. Step 3: Cross multiply
    2,987,708.64x = 4,123,018.08 × 1,698,549.36
  4. Step 4: Simplify right side
    2,987,708.64x = 7,003,149,721,052.43
  5. Step 5: Solve for x
    x = 7,003,149,721,052.43/2,987,708.64
  6. Step 6: Final answer
    x = 2,343,986.84

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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.