Home / 1,931,409.31-2,665,674.71-1,115,466.34

Finding the Fourth Proportional to 1,931,409.31, 2,665,674.71 and 1,115,466.34

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Solution

The fourth proportional to 1,931,409.31, 2,665,674.71 and 1,115,466.34 is: 1,539,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,409.31 : 2,665,674.71 = 1,115,466.34 : x
  2. Step 2: Convert to fraction form
    1,931,409.31/2,665,674.71 = 1,115,466.34/x
  3. Step 3: Cross multiply
    1,931,409.31x = 2,665,674.71 × 1,115,466.34
  4. Step 4: Simplify right side
    1,931,409.31x = 2,973,470,412,394.26
  5. Step 5: Solve for x
    x = 2,973,470,412,394.26/1,931,409.31
  6. Step 6: Final answer
    x = 1,539,534.06

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