Home / 1,985,337.63-2,970,491.40-1,176,156.44

Finding the Fourth Proportional to 1,985,337.63, 2,970,491.40 and 1,176,156.44

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Solution

The fourth proportional to 1,985,337.63, 2,970,491.40 and 1,176,156.44 is: 1,759,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,337.63 : 2,970,491.40 = 1,176,156.44 : x
  2. Step 2: Convert to fraction form
    1,985,337.63/2,970,491.40 = 1,176,156.44/x
  3. Step 3: Cross multiply
    1,985,337.63x = 2,970,491.40 × 1,176,156.44
  4. Step 4: Simplify right side
    1,985,337.63x = 3,493,762,586,361.50
  5. Step 5: Solve for x
    x = 3,493,762,586,361.50/1,985,337.63
  6. Step 6: Final answer
    x = 1,759,782.58

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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.