Home / 2,115,577.85-2,919,497.41-1,210,159.85

Finding the Fourth Proportional to 2,115,577.85, 2,919,497.41 and 1,210,159.85

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Solution

The fourth proportional to 2,115,577.85, 2,919,497.41 and 1,210,159.85 is: 1,670,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,577.85 : 2,919,497.41 = 1,210,159.85 : x
  2. Step 2: Convert to fraction form
    2,115,577.85/2,919,497.41 = 1,210,159.85/x
  3. Step 3: Cross multiply
    2,115,577.85x = 2,919,497.41 × 1,210,159.85
  4. Step 4: Simplify right side
    2,115,577.85x = 3,533,058,534,676.20
  5. Step 5: Solve for x
    x = 3,533,058,534,676.20/2,115,577.85
  6. Step 6: Final answer
    x = 1,670,020.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.