Home / 1,478,956.49-2,219,215.80-1,049,449.32

Finding the Fourth Proportional to 1,478,956.49, 2,219,215.80 and 1,049,449.32

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Solution

The fourth proportional to 1,478,956.49, 2,219,215.80 and 1,049,449.32 is: 1,574,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,956.49 : 2,219,215.80 = 1,049,449.32 : x
  2. Step 2: Convert to fraction form
    1,478,956.49/2,219,215.80 = 1,049,449.32/x
  3. Step 3: Cross multiply
    1,478,956.49x = 2,219,215.80 × 1,049,449.32
  4. Step 4: Simplify right side
    1,478,956.49x = 2,328,954,516,178.69
  5. Step 5: Solve for x
    x = 2,328,954,516,178.69/1,478,956.49
  6. Step 6: Final answer
    x = 1,574,728.22

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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.