Home / 3,112,810.40-4,669,361.40-983,061.20

Finding the Fourth Proportional to 3,112,810.40, 4,669,361.40 and 983,061.20

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Solution

The fourth proportional to 3,112,810.40, 4,669,361.40 and 983,061.20 is: 1,474,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,810.40 : 4,669,361.40 = 983,061.20 : x
  2. Step 2: Convert to fraction form
    3,112,810.40/4,669,361.40 = 983,061.20/x
  3. Step 3: Cross multiply
    3,112,810.40x = 4,669,361.40 × 983,061.20
  4. Step 4: Simplify right side
    3,112,810.40x = 4,590,268,021,117.68
  5. Step 5: Solve for x
    x = 4,590,268,021,117.68/3,112,810.40
  6. Step 6: Final answer
    x = 1,474,637.85

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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.