Home / 5,683,687.12-7,843,395.54-3,105,312.40

Finding the Fourth Proportional to 5,683,687.12, 7,843,395.54 and 3,105,312.40

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Solution

The fourth proportional to 5,683,687.12, 7,843,395.54 and 3,105,312.40 is: 4,285,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683,687.12 : 7,843,395.54 = 3,105,312.40 : x
  2. Step 2: Convert to fraction form
    5,683,687.12/7,843,395.54 = 3,105,312.40/x
  3. Step 3: Cross multiply
    5,683,687.12x = 7,843,395.54 × 3,105,312.40
  4. Step 4: Simplify right side
    5,683,687.12x = 24,356,193,428,466.70
  5. Step 5: Solve for x
    x = 24,356,193,428,466.70/5,683,687.12
  6. Step 6: Final answer
    x = 4,285,280.47

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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.