Home / 2,929,559.40-4,391,714.70-1,919,165.40

Finding the Fourth Proportional to 2,929,559.40, 4,391,714.70 and 1,919,165.40

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Solution

The fourth proportional to 2,929,559.40, 4,391,714.70 and 1,919,165.40 is: 2,877,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,559.40 : 4,391,714.70 = 1,919,165.40 : x
  2. Step 2: Convert to fraction form
    2,929,559.40/4,391,714.70 = 1,919,165.40/x
  3. Step 3: Cross multiply
    2,929,559.40x = 4,391,714.70 × 1,919,165.40
  4. Step 4: Simplify right side
    2,929,559.40x = 8,428,426,898,911.38
  5. Step 5: Solve for x
    x = 8,428,426,898,911.38/2,929,559.40
  6. Step 6: Final answer
    x = 2,877,028.85

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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.