Home / 4,905,818.04-7,358,166.40-1,311,865.20

Finding the Fourth Proportional to 4,905,818.04, 7,358,166.40 and 1,311,865.20

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Solution

The fourth proportional to 4,905,818.04, 7,358,166.40 and 1,311,865.20 is: 1,967,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905,818.04 : 7,358,166.40 = 1,311,865.20 : x
  2. Step 2: Convert to fraction form
    4,905,818.04/7,358,166.40 = 1,311,865.20/x
  3. Step 3: Cross multiply
    4,905,818.04x = 7,358,166.40 × 1,311,865.20
  4. Step 4: Simplify right side
    4,905,818.04x = 9,652,922,435,969.28
  5. Step 5: Solve for x
    x = 9,652,922,435,969.28/4,905,818.04
  6. Step 6: Final answer
    x = 1,967,647.87

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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.