Home / 1,620,051.40-2,430,077.10-482,811.40

Finding the Fourth Proportional to 1,620,051.40, 2,430,077.10 and 482,811.40

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Solution

The fourth proportional to 1,620,051.40, 2,430,077.10 and 482,811.40 is: 724,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,051.40 : 2,430,077.10 = 482,811.40 : x
  2. Step 2: Convert to fraction form
    1,620,051.40/2,430,077.10 = 482,811.40/x
  3. Step 3: Cross multiply
    1,620,051.40x = 2,430,077.10 × 482,811.40
  4. Step 4: Simplify right side
    1,620,051.40x = 1,173,268,926,758.94
  5. Step 5: Solve for x
    x = 1,173,268,926,758.94/1,620,051.40
  6. Step 6: Final answer
    x = 724,217.10

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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.