Home / 5,429,022.20-8,143,526.40-1,385,510.10

Finding the Fourth Proportional to 5,429,022.20, 8,143,526.40 and 1,385,510.10

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Solution

The fourth proportional to 5,429,022.20, 8,143,526.40 and 1,385,510.10 is: 2,078,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,022.20 : 8,143,526.40 = 1,385,510.10 : x
  2. Step 2: Convert to fraction form
    5,429,022.20/8,143,526.40 = 1,385,510.10/x
  3. Step 3: Cross multiply
    5,429,022.20x = 8,143,526.40 × 1,385,510.10
  4. Step 4: Simplify right side
    5,429,022.20x = 11,282,938,082,012.30
  5. Step 5: Solve for x
    x = 11,282,938,082,012.30/5,429,022.20
  6. Step 6: Final answer
    x = 2,078,263.39

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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.