Home / 2,785,412.34-4,178,118.51-1,838,561.63

Finding the Fourth Proportional to 2,785,412.34, 4,178,118.51 and 1,838,561.63

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Solution

The fourth proportional to 2,785,412.34, 4,178,118.51 and 1,838,561.63 is: 2,757,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,412.34 : 4,178,118.51 = 1,838,561.63 : x
  2. Step 2: Convert to fraction form
    2,785,412.34/4,178,118.51 = 1,838,561.63/x
  3. Step 3: Cross multiply
    2,785,412.34x = 4,178,118.51 × 1,838,561.63
  4. Step 4: Simplify right side
    2,785,412.34x = 7,681,728,357,188.18
  5. Step 5: Solve for x
    x = 7,681,728,357,188.18/2,785,412.34
  6. Step 6: Final answer
    x = 2,757,842.44

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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.