Home / 1,941,549.46-2,912,127.36-521,421.01

Finding the Fourth Proportional to 1,941,549.46, 2,912,127.36 and 521,421.01

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Solution

The fourth proportional to 1,941,549.46, 2,912,127.36 and 521,421.01 is: 782,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,549.46 : 2,912,127.36 = 521,421.01 : x
  2. Step 2: Convert to fraction form
    1,941,549.46/2,912,127.36 = 521,421.01/x
  3. Step 3: Cross multiply
    1,941,549.46x = 2,912,127.36 × 521,421.01
  4. Step 4: Simplify right side
    1,941,549.46x = 1,518,444,389,299.83
  5. Step 5: Solve for x
    x = 1,518,444,389,299.83/1,941,549.46
  6. Step 6: Final answer
    x = 782,078.65

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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.