Home / 2,137,742.68-2,950,132.69-1,219,953.56

Finding the Fourth Proportional to 2,137,742.68, 2,950,132.69 and 1,219,953.56

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Solution

The fourth proportional to 2,137,742.68, 2,950,132.69 and 1,219,953.56 is: 1,683,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,742.68 : 2,950,132.69 = 1,219,953.56 : x
  2. Step 2: Convert to fraction form
    2,137,742.68/2,950,132.69 = 1,219,953.56/x
  3. Step 3: Cross multiply
    2,137,742.68x = 2,950,132.69 × 1,219,953.56
  4. Step 4: Simplify right side
    2,137,742.68x = 3,599,024,877,637.88
  5. Step 5: Solve for x
    x = 3,599,024,877,637.88/2,137,742.68
  6. Step 6: Final answer
    x = 1,683,563.19

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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.