Home / 1,852,917.90-2,779,376.85-1,821,425.10

Finding the Fourth Proportional to 1,852,917.90, 2,779,376.85 and 1,821,425.10

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Solution

The fourth proportional to 1,852,917.90, 2,779,376.85 and 1,821,425.10 is: 2,732,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,917.90 : 2,779,376.85 = 1,821,425.10 : x
  2. Step 2: Convert to fraction form
    1,852,917.90/2,779,376.85 = 1,821,425.10/x
  3. Step 3: Cross multiply
    1,852,917.90x = 2,779,376.85 × 1,821,425.10
  4. Step 4: Simplify right side
    1,852,917.90x = 5,062,426,756,948.94
  5. Step 5: Solve for x
    x = 5,062,426,756,948.94/1,852,917.90
  6. Step 6: Final answer
    x = 2,732,137.65

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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.