Home / 2,759,912.40-4,139,868.60-1,411,626.90

Finding the Fourth Proportional to 2,759,912.40, 4,139,868.60 and 1,411,626.90

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Solution

The fourth proportional to 2,759,912.40, 4,139,868.60 and 1,411,626.90 is: 2,117,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,912.40 : 4,139,868.60 = 1,411,626.90 : x
  2. Step 2: Convert to fraction form
    2,759,912.40/4,139,868.60 = 1,411,626.90/x
  3. Step 3: Cross multiply
    2,759,912.40x = 4,139,868.60 × 1,411,626.90
  4. Step 4: Simplify right side
    2,759,912.40x = 5,843,949,878,225.34
  5. Step 5: Solve for x
    x = 5,843,949,878,225.34/2,759,912.40
  6. Step 6: Final answer
    x = 2,117,440.35

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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.