Home / 1,938,014.75-2,907,633.08-913,303.63

Finding the Fourth Proportional to 1,938,014.75, 2,907,633.08 and 913,303.63

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Solution

The fourth proportional to 1,938,014.75, 2,907,633.08 and 913,303.63 is: 1,370,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,014.75 : 2,907,633.08 = 913,303.63 : x
  2. Step 2: Convert to fraction form
    1,938,014.75/2,907,633.08 = 913,303.63/x
  3. Step 3: Cross multiply
    1,938,014.75x = 2,907,633.08 × 913,303.63
  4. Step 4: Simplify right side
    1,938,014.75x = 2,655,551,852,589.88
  5. Step 5: Solve for x
    x = 2,655,551,852,589.88/1,938,014.75
  6. Step 6: Final answer
    x = 1,370,243.37

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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.