Home / 2,509,038.78-3,462,487.02-1,542,800.40

Finding the Fourth Proportional to 2,509,038.78, 3,462,487.02 and 1,542,800.40

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Solution

The fourth proportional to 2,509,038.78, 3,462,487.02 and 1,542,800.40 is: 2,129,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,038.78 : 3,462,487.02 = 1,542,800.40 : x
  2. Step 2: Convert to fraction form
    2,509,038.78/3,462,487.02 = 1,542,800.40/x
  3. Step 3: Cross multiply
    2,509,038.78x = 3,462,487.02 × 1,542,800.40
  4. Step 4: Simplify right side
    2,509,038.78x = 5,341,926,359,450.81
  5. Step 5: Solve for x
    x = 5,341,926,359,450.81/2,509,038.78
  6. Step 6: Final answer
    x = 2,129,072.86

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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.