Home / 1,872,415.38-2,808,783.16-657,886.44

Finding the Fourth Proportional to 1,872,415.38, 2,808,783.16 and 657,886.44

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Solution

The fourth proportional to 1,872,415.38, 2,808,783.16 and 657,886.44 is: 986,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,415.38 : 2,808,783.16 = 657,886.44 : x
  2. Step 2: Convert to fraction form
    1,872,415.38/2,808,783.16 = 657,886.44/x
  3. Step 3: Cross multiply
    1,872,415.38x = 2,808,783.16 × 657,886.44
  4. Step 4: Simplify right side
    1,872,415.38x = 1,847,860,352,219.63
  5. Step 5: Solve for x
    x = 1,847,860,352,219.63/1,872,415.38
  6. Step 6: Final answer
    x = 986,885.91

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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.