Home / 1,983,718.22-2,973,086.89-1,072,864.40

Finding the Fourth Proportional to 1,983,718.22, 2,973,086.89 and 1,072,864.40

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Solution

The fourth proportional to 1,983,718.22, 2,973,086.89 and 1,072,864.40 is: 1,607,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,718.22 : 2,973,086.89 = 1,072,864.40 : x
  2. Step 2: Convert to fraction form
    1,983,718.22/2,973,086.89 = 1,072,864.40/x
  3. Step 3: Cross multiply
    1,983,718.22x = 2,973,086.89 × 1,072,864.40
  4. Step 4: Simplify right side
    1,983,718.22x = 3,189,719,064,840.12
  5. Step 5: Solve for x
    x = 3,189,719,064,840.12/1,983,718.22
  6. Step 6: Final answer
    x = 1,607,949.67

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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.