Home / 2,681,126.20-4,020,911.70-975,071.80

Finding the Fourth Proportional to 2,681,126.20, 4,020,911.70 and 975,071.80

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Solution

The fourth proportional to 2,681,126.20, 4,020,911.70 and 975,071.80 is: 1,462,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,126.20 : 4,020,911.70 = 975,071.80 : x
  2. Step 2: Convert to fraction form
    2,681,126.20/4,020,911.70 = 975,071.80/x
  3. Step 3: Cross multiply
    2,681,126.20x = 4,020,911.70 × 975,071.80
  4. Step 4: Simplify right side
    2,681,126.20x = 3,920,677,608,960.06
  5. Step 5: Solve for x
    x = 3,920,677,608,960.06/2,681,126.20
  6. Step 6: Final answer
    x = 1,462,324.90

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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.