Home / 3,339,130.64-5,007,710.96-1,420,038.24

Finding the Fourth Proportional to 3,339,130.64, 5,007,710.96 and 1,420,038.24

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Solution

The fourth proportional to 3,339,130.64, 5,007,710.96 and 1,420,038.24 is: 2,129,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339,130.64 : 5,007,710.96 = 1,420,038.24 : x
  2. Step 2: Convert to fraction form
    3,339,130.64/5,007,710.96 = 1,420,038.24/x
  3. Step 3: Cross multiply
    3,339,130.64x = 5,007,710.96 × 1,420,038.24
  4. Step 4: Simplify right side
    3,339,130.64x = 7,111,141,058,067.11
  5. Step 5: Solve for x
    x = 7,111,141,058,067.11/3,339,130.64
  6. Step 6: Final answer
    x = 2,129,638.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.