Home / 1,905,419.52-2,855,460-1,431,802.56

Finding the Fourth Proportional to 1,905,419.52, 2,855,460 and 1,431,802.56

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Solution

The fourth proportional to 1,905,419.52, 2,855,460 and 1,431,802.56 is: 2,145,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,419.52 : 2,855,460 = 1,431,802.56 : x
  2. Step 2: Convert to fraction form
    1,905,419.52/2,855,460 = 1,431,802.56/x
  3. Step 3: Cross multiply
    1,905,419.52x = 2,855,460 × 1,431,802.56
  4. Step 4: Simplify right side
    1,905,419.52x = 4,088,454,937,977.60
  5. Step 5: Solve for x
    x = 4,088,454,937,977.60/1,905,419.52
  6. Step 6: Final answer
    x = 2,145,698.04

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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.