Home / 6,400,366.20-9,601,931.70-1,913,095.80

Finding the Fourth Proportional to 6,400,366.20, 9,601,931.70 and 1,913,095.80

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Solution

The fourth proportional to 6,400,366.20, 9,601,931.70 and 1,913,095.80 is: 2,870,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,366.20 : 9,601,931.70 = 1,913,095.80 : x
  2. Step 2: Convert to fraction form
    6,400,366.20/9,601,931.70 = 1,913,095.80/x
  3. Step 3: Cross multiply
    6,400,366.20x = 9,601,931.70 × 1,913,095.80
  4. Step 4: Simplify right side
    6,400,366.20x = 18,369,415,207,156.86
  5. Step 5: Solve for x
    x = 18,369,415,207,156.86/6,400,366.20
  6. Step 6: Final answer
    x = 2,870,056.91

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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.