Home / 2,429,570.40-3,642,022.80-1,889,527.20

Finding the Fourth Proportional to 2,429,570.40, 3,642,022.80 and 1,889,527.20

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Solution

The fourth proportional to 2,429,570.40, 3,642,022.80 and 1,889,527.20 is: 2,832,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429,570.40 : 3,642,022.80 = 1,889,527.20 : x
  2. Step 2: Convert to fraction form
    2,429,570.40/3,642,022.80 = 1,889,527.20/x
  3. Step 3: Cross multiply
    2,429,570.40x = 3,642,022.80 × 1,889,527.20
  4. Step 4: Simplify right side
    2,429,570.40x = 6,881,701,143,620.16
  5. Step 5: Solve for x
    x = 6,881,701,143,620.16/2,429,570.40
  6. Step 6: Final answer
    x = 2,832,476.53

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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.