Home / 2,752,021.40-4,124,532.90-1,329,013.40

Finding the Fourth Proportional to 2,752,021.40, 4,124,532.90 and 1,329,013.40

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Solution

The fourth proportional to 2,752,021.40, 4,124,532.90 and 1,329,013.40 is: 1,991,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,021.40 : 4,124,532.90 = 1,329,013.40 : x
  2. Step 2: Convert to fraction form
    2,752,021.40/4,124,532.90 = 1,329,013.40/x
  3. Step 3: Cross multiply
    2,752,021.40x = 4,124,532.90 × 1,329,013.40
  4. Step 4: Simplify right side
    2,752,021.40x = 5,481,559,492,840.86
  5. Step 5: Solve for x
    x = 5,481,559,492,840.86/2,752,021.40
  6. Step 6: Final answer
    x = 1,991,830.26

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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.