Home / 2,980,376.03-4,112,804.76-1,691,139.53

Finding the Fourth Proportional to 2,980,376.03, 4,112,804.76 and 1,691,139.53

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Solution

The fourth proportional to 2,980,376.03, 4,112,804.76 and 1,691,139.53 is: 2,333,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,376.03 : 4,112,804.76 = 1,691,139.53 : x
  2. Step 2: Convert to fraction form
    2,980,376.03/4,112,804.76 = 1,691,139.53/x
  3. Step 3: Cross multiply
    2,980,376.03x = 4,112,804.76 × 1,691,139.53
  4. Step 4: Simplify right side
    2,980,376.03x = 6,955,326,708,808.16
  5. Step 5: Solve for x
    x = 6,955,326,708,808.16/2,980,376.03
  6. Step 6: Final answer
    x = 2,333,707.77

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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.