Home / 3,139,985.20-4,709,977.80-2,953,361.20

Finding the Fourth Proportional to 3,139,985.20, 4,709,977.80 and 2,953,361.20

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Solution

The fourth proportional to 3,139,985.20, 4,709,977.80 and 2,953,361.20 is: 4,430,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,985.20 : 4,709,977.80 = 2,953,361.20 : x
  2. Step 2: Convert to fraction form
    3,139,985.20/4,709,977.80 = 2,953,361.20/x
  3. Step 3: Cross multiply
    3,139,985.20x = 4,709,977.80 × 2,953,361.20
  4. Step 4: Simplify right side
    3,139,985.20x = 13,910,265,687,381.36
  5. Step 5: Solve for x
    x = 13,910,265,687,381.36/3,139,985.20
  6. Step 6: Final answer
    x = 4,430,041.80

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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.