Home / 1,938,501.74-2,675,959.44-1,380,056.06

Finding the Fourth Proportional to 1,938,501.74, 2,675,959.44 and 1,380,056.06

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Solution

The fourth proportional to 1,938,501.74, 2,675,959.44 and 1,380,056.06 is: 1,905,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,501.74 : 2,675,959.44 = 1,380,056.06 : x
  2. Step 2: Convert to fraction form
    1,938,501.74/2,675,959.44 = 1,380,056.06/x
  3. Step 3: Cross multiply
    1,938,501.74x = 2,675,959.44 × 1,380,056.06
  4. Step 4: Simplify right side
    1,938,501.74x = 3,692,974,041,486.21
  5. Step 5: Solve for x
    x = 3,692,974,041,486.21/1,938,501.74
  6. Step 6: Final answer
    x = 1,905,066.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.