Home / 6,406,735.69-8,841,289.49-3,616,446.40

Finding the Fourth Proportional to 6,406,735.69, 8,841,289.49 and 3,616,446.40

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Solution

The fourth proportional to 6,406,735.69, 8,841,289.49 and 3,616,446.40 is: 4,990,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406,735.69 : 8,841,289.49 = 3,616,446.40 : x
  2. Step 2: Convert to fraction form
    6,406,735.69/8,841,289.49 = 3,616,446.40/x
  3. Step 3: Cross multiply
    6,406,735.69x = 8,841,289.49 × 3,616,446.40
  4. Step 4: Simplify right side
    6,406,735.69x = 31,974,049,547,468.34
  5. Step 5: Solve for x
    x = 31,974,049,547,468.34/6,406,735.69
  6. Step 6: Final answer
    x = 4,990,692.78

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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.