Home / 2,926,943.97-4,390,415.95-1,929,438.69

Finding the Fourth Proportional to 2,926,943.97, 4,390,415.95 and 1,929,438.69

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Solution

The fourth proportional to 2,926,943.97, 4,390,415.95 and 1,929,438.69 is: 2,894,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,943.97 : 4,390,415.95 = 1,929,438.69 : x
  2. Step 2: Convert to fraction form
    2,926,943.97/4,390,415.95 = 1,929,438.69/x
  3. Step 3: Cross multiply
    2,926,943.97x = 4,390,415.95 × 1,929,438.69
  4. Step 4: Simplify right side
    2,926,943.97x = 8,471,038,399,123.11
  5. Step 5: Solve for x
    x = 8,471,038,399,123.11/2,926,943.97
  6. Step 6: Final answer
    x = 2,894,158.03

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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.