Home / 2,153,915.70-3,230,907.27-637,752.45

Finding the Fourth Proportional to 2,153,915.70, 3,230,907.27 and 637,752.45

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Solution

The fourth proportional to 2,153,915.70, 3,230,907.27 and 637,752.45 is: 956,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,915.70 : 3,230,907.27 = 637,752.45 : x
  2. Step 2: Convert to fraction form
    2,153,915.70/3,230,907.27 = 637,752.45/x
  3. Step 3: Cross multiply
    2,153,915.70x = 3,230,907.27 × 637,752.45
  4. Step 4: Simplify right side
    2,153,915.70x = 2,060,519,027,165.31
  5. Step 5: Solve for x
    x = 2,060,519,027,165.31/2,153,915.70
  6. Step 6: Final answer
    x = 956,638.66

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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.