Home / 6,460,338.12-8,915,663.70-3,559,728.21

Finding the Fourth Proportional to 6,460,338.12, 8,915,663.70 and 3,559,728.21

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Solution

The fourth proportional to 6,460,338.12, 8,915,663.70 and 3,559,728.21 is: 4,912,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460,338.12 : 8,915,663.70 = 3,559,728.21 : x
  2. Step 2: Convert to fraction form
    6,460,338.12/8,915,663.70 = 3,559,728.21/x
  3. Step 3: Cross multiply
    6,460,338.12x = 8,915,663.70 × 3,559,728.21
  4. Step 4: Simplify right side
    6,460,338.12x = 31,737,339,583,762.97
  5. Step 5: Solve for x
    x = 31,737,339,583,762.97/6,460,338.12
  6. Step 6: Final answer
    x = 4,912,643.73

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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.