Home / 1,941,617.70-2,912,426.55-1,091,312.10

Finding the Fourth Proportional to 1,941,617.70, 2,912,426.55 and 1,091,312.10

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Solution

The fourth proportional to 1,941,617.70, 2,912,426.55 and 1,091,312.10 is: 1,636,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,617.70 : 2,912,426.55 = 1,091,312.10 : x
  2. Step 2: Convert to fraction form
    1,941,617.70/2,912,426.55 = 1,091,312.10/x
  3. Step 3: Cross multiply
    1,941,617.70x = 2,912,426.55 × 1,091,312.10
  4. Step 4: Simplify right side
    1,941,617.70x = 3,178,366,334,376.26
  5. Step 5: Solve for x
    x = 3,178,366,334,376.26/1,941,617.70
  6. Step 6: Final answer
    x = 1,636,968.15

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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.