Home / 6,435,623.12-9,653,429.10-1,643,313.20

Finding the Fourth Proportional to 6,435,623.12, 9,653,429.10 and 1,643,313.20

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Solution

The fourth proportional to 6,435,623.12, 9,653,429.10 and 1,643,313.20 is: 2,464,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,623.12 : 9,653,429.10 = 1,643,313.20 : x
  2. Step 2: Convert to fraction form
    6,435,623.12/9,653,429.10 = 1,643,313.20/x
  3. Step 3: Cross multiply
    6,435,623.12x = 9,653,429.10 × 1,643,313.20
  4. Step 4: Simplify right side
    6,435,623.12x = 15,863,607,465,294.12
  5. Step 5: Solve for x
    x = 15,863,607,465,294.12/6,435,623.12
  6. Step 6: Final answer
    x = 2,464,968.38

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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.