Home / 4,724,342.28-6,520,658.76-2,890,329.48

Finding the Fourth Proportional to 4,724,342.28, 6,520,658.76 and 2,890,329.48

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Solution

The fourth proportional to 4,724,342.28, 6,520,658.76 and 2,890,329.48 is: 3,989,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724,342.28 : 6,520,658.76 = 2,890,329.48 : x
  2. Step 2: Convert to fraction form
    4,724,342.28/6,520,658.76 = 2,890,329.48/x
  3. Step 3: Cross multiply
    4,724,342.28x = 6,520,658.76 × 2,890,329.48
  4. Step 4: Simplify right side
    4,724,342.28x = 18,846,852,243,048.24
  5. Step 5: Solve for x
    x = 18,846,852,243,048.24/4,724,342.28
  6. Step 6: Final answer
    x = 3,989,307.11

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Double scale
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1.5x scale

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.