Home / 1,954,421.58-2,931,555.66-816,889.98

Finding the Fourth Proportional to 1,954,421.58, 2,931,555.66 and 816,889.98

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Solution

The fourth proportional to 1,954,421.58, 2,931,555.66 and 816,889.98 is: 1,225,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,421.58 : 2,931,555.66 = 816,889.98 : x
  2. Step 2: Convert to fraction form
    1,954,421.58/2,931,555.66 = 816,889.98/x
  3. Step 3: Cross multiply
    1,954,421.58x = 2,931,555.66 × 816,889.98
  4. Step 4: Simplify right side
    1,954,421.58x = 2,394,758,444,466.29
  5. Step 5: Solve for x
    x = 2,394,758,444,466.29/1,954,421.58
  6. Step 6: Final answer
    x = 1,225,302.91

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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.