Home / 1,972,437.21-2,956,185.93-1,059,375.87

Finding the Fourth Proportional to 1,972,437.21, 2,956,185.93 and 1,059,375.87

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Solution

The fourth proportional to 1,972,437.21, 2,956,185.93 and 1,059,375.87 is: 1,587,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,437.21 : 2,956,185.93 = 1,059,375.87 : x
  2. Step 2: Convert to fraction form
    1,972,437.21/2,956,185.93 = 1,059,375.87/x
  3. Step 3: Cross multiply
    1,972,437.21x = 2,956,185.93 × 1,059,375.87
  4. Step 4: Simplify right side
    1,972,437.21x = 3,131,712,041,475.51
  5. Step 5: Solve for x
    x = 3,131,712,041,475.51/1,972,437.21
  6. Step 6: Final answer
    x = 1,587,737.26

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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.