Home / 2,058,421.17-2,840,637.89-1,140,665.64

Finding the Fourth Proportional to 2,058,421.17, 2,840,637.89 and 1,140,665.64

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Solution

The fourth proportional to 2,058,421.17, 2,840,637.89 and 1,140,665.64 is: 1,574,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,421.17 : 2,840,637.89 = 1,140,665.64 : x
  2. Step 2: Convert to fraction form
    2,058,421.17/2,840,637.89 = 1,140,665.64/x
  3. Step 3: Cross multiply
    2,058,421.17x = 2,840,637.89 × 1,140,665.64
  4. Step 4: Simplify right side
    2,058,421.17x = 3,240,218,044,982.96
  5. Step 5: Solve for x
    x = 3,240,218,044,982.96/2,058,421.17
  6. Step 6: Final answer
    x = 1,574,127.83

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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.