Home / 1,638,000.84-2,457,001.62-640,029

Finding the Fourth Proportional to 1,638,000.84, 2,457,001.62 and 640,029

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Solution

The fourth proportional to 1,638,000.84, 2,457,001.62 and 640,029 is: 960,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,000.84 : 2,457,001.62 = 640,029 : x
  2. Step 2: Convert to fraction form
    1,638,000.84/2,457,001.62 = 640,029/x
  3. Step 3: Cross multiply
    1,638,000.84x = 2,457,001.62 × 640,029
  4. Step 4: Simplify right side
    1,638,000.84x = 1,572,552,289,846.98
  5. Step 5: Solve for x
    x = 1,572,552,289,846.98/1,638,000.84
  6. Step 6: Final answer
    x = 960,043.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.