Home / 6,457,767.69-8,902,152.41-4,134,328.05

Finding the Fourth Proportional to 6,457,767.69, 8,902,152.41 and 4,134,328.05

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Solution

The fourth proportional to 6,457,767.69, 8,902,152.41 and 4,134,328.05 is: 5,699,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,767.69 : 8,902,152.41 = 4,134,328.05 : x
  2. Step 2: Convert to fraction form
    6,457,767.69/8,902,152.41 = 4,134,328.05/x
  3. Step 3: Cross multiply
    6,457,767.69x = 8,902,152.41 × 4,134,328.05
  4. Step 4: Simplify right side
    6,457,767.69x = 36,804,418,393,366.45
  5. Step 5: Solve for x
    x = 36,804,418,393,366.45/6,457,767.69
  6. Step 6: Final answer
    x = 5,699,247.81

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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.