Home / 6,980,564.61-10,471,021.88-1,931,918.85

Finding the Fourth Proportional to 6,980,564.61, 10,471,021.88 and 1,931,918.85

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Solution

The fourth proportional to 6,980,564.61, 10,471,021.88 and 1,931,918.85 is: 2,897,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,564.61 : 10,471,021.88 = 1,931,918.85 : x
  2. Step 2: Convert to fraction form
    6,980,564.61/10,471,021.88 = 1,931,918.85/x
  3. Step 3: Cross multiply
    6,980,564.61x = 10,471,021.88 × 1,931,918.85
  4. Step 4: Simplify right side
    6,980,564.61x = 20,229,164,539,074.84
  5. Step 5: Solve for x
    x = 20,229,164,539,074.84/6,980,564.61
  6. Step 6: Final answer
    x = 2,897,926.70

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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.