Home / 1,942,686.61-2,913,399.32-645,490.62

Finding the Fourth Proportional to 1,942,686.61, 2,913,399.32 and 645,490.62

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Solution

The fourth proportional to 1,942,686.61, 2,913,399.32 and 645,490.62 is: 968,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,686.61 : 2,913,399.32 = 645,490.62 : x
  2. Step 2: Convert to fraction form
    1,942,686.61/2,913,399.32 = 645,490.62/x
  3. Step 3: Cross multiply
    1,942,686.61x = 2,913,399.32 × 645,490.62
  4. Step 4: Simplify right side
    1,942,686.61x = 1,880,571,930,146.93
  5. Step 5: Solve for x
    x = 1,880,571,930,146.93/1,942,686.61
  6. Step 6: Final answer
    x = 968,026.40

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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.