Home / 2,810,503.71-3,878,491.95-1,521,343.76

Finding the Fourth Proportional to 2,810,503.71, 3,878,491.95 and 1,521,343.76

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Solution

The fourth proportional to 2,810,503.71, 3,878,491.95 and 1,521,343.76 is: 2,099,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,503.71 : 3,878,491.95 = 1,521,343.76 : x
  2. Step 2: Convert to fraction form
    2,810,503.71/3,878,491.95 = 1,521,343.76/x
  3. Step 3: Cross multiply
    2,810,503.71x = 3,878,491.95 × 1,521,343.76
  4. Step 4: Simplify right side
    2,810,503.71x = 5,900,519,506,950.27
  5. Step 5: Solve for x
    x = 5,900,519,506,950.27/2,810,503.71
  6. Step 6: Final answer
    x = 2,099,452.67

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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.