Home / 1,900,639.87-2,622,225.70-1,441,275.91

Finding the Fourth Proportional to 1,900,639.87, 2,622,225.70 and 1,441,275.91

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Solution

The fourth proportional to 1,900,639.87, 2,622,225.70 and 1,441,275.91 is: 1,988,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,639.87 : 2,622,225.70 = 1,441,275.91 : x
  2. Step 2: Convert to fraction form
    1,900,639.87/2,622,225.70 = 1,441,275.91/x
  3. Step 3: Cross multiply
    1,900,639.87x = 2,622,225.70 × 1,441,275.91
  4. Step 4: Simplify right side
    1,900,639.87x = 3,779,350,731,992.89
  5. Step 5: Solve for x
    x = 3,779,350,731,992.89/1,900,639.87
  6. Step 6: Final answer
    x = 1,988,462.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.