Home / 1,938,036.06-2,674,489.80-1,078,799.30

Finding the Fourth Proportional to 1,938,036.06, 2,674,489.80 and 1,078,799.30

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Solution

The fourth proportional to 1,938,036.06, 2,674,489.80 and 1,078,799.30 is: 1,488,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,036.06 : 2,674,489.80 = 1,078,799.30 : x
  2. Step 2: Convert to fraction form
    1,938,036.06/2,674,489.80 = 1,078,799.30/x
  3. Step 3: Cross multiply
    1,938,036.06x = 2,674,489.80 × 1,078,799.30
  4. Step 4: Simplify right side
    1,938,036.06x = 2,885,237,734,828.86
  5. Step 5: Solve for x
    x = 2,885,237,734,828.86/1,938,036.06
  6. Step 6: Final answer
    x = 1,488,743.06

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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.