Home / 4,869,638.45-7,304,457.68-1,323,782.45

Finding the Fourth Proportional to 4,869,638.45, 7,304,457.68 and 1,323,782.45

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Solution

The fourth proportional to 4,869,638.45, 7,304,457.68 and 1,323,782.45 is: 1,985,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869,638.45 : 7,304,457.68 = 1,323,782.45 : x
  2. Step 2: Convert to fraction form
    4,869,638.45/7,304,457.68 = 1,323,782.45/x
  3. Step 3: Cross multiply
    4,869,638.45x = 7,304,457.68 × 1,323,782.45
  4. Step 4: Simplify right side
    4,869,638.45x = 9,669,512,883,551.72
  5. Step 5: Solve for x
    x = 9,669,512,883,551.72/4,869,638.45
  6. Step 6: Final answer
    x = 1,985,673.68

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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.