Home / 2,077,925.76-2,868,014.94-1,218,762.80

Finding the Fourth Proportional to 2,077,925.76, 2,868,014.94 and 1,218,762.80

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Solution

The fourth proportional to 2,077,925.76, 2,868,014.94 and 1,218,762.80 is: 1,682,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,925.76 : 2,868,014.94 = 1,218,762.80 : x
  2. Step 2: Convert to fraction form
    2,077,925.76/2,868,014.94 = 1,218,762.80/x
  3. Step 3: Cross multiply
    2,077,925.76x = 2,868,014.94 × 1,218,762.80
  4. Step 4: Simplify right side
    2,077,925.76x = 3,495,429,918,716.23
  5. Step 5: Solve for x
    x = 3,495,429,918,716.23/2,077,925.76
  6. Step 6: Final answer
    x = 1,682,172.67

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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.