Home / 5,643,738-7,788,461.04-3,196,857.08

Finding the Fourth Proportional to 5,643,738, 7,788,461.04 and 3,196,857.08

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Solution

The fourth proportional to 5,643,738, 7,788,461.04 and 3,196,857.08 is: 4,411,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,738 : 7,788,461.04 = 3,196,857.08 : x
  2. Step 2: Convert to fraction form
    5,643,738/7,788,461.04 = 3,196,857.08/x
  3. Step 3: Cross multiply
    5,643,738x = 7,788,461.04 × 3,196,857.08
  4. Step 4: Simplify right side
    5,643,738x = 24,898,596,818,028.16
  5. Step 5: Solve for x
    x = 24,898,596,818,028.16/5,643,738
  6. Step 6: Final answer
    x = 4,411,720.89

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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.