Home / 2,103,807.80-3,155,711.70-684,007.40

Finding the Fourth Proportional to 2,103,807.80, 3,155,711.70 and 684,007.40

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Solution

The fourth proportional to 2,103,807.80, 3,155,711.70 and 684,007.40 is: 1,026,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,807.80 : 3,155,711.70 = 684,007.40 : x
  2. Step 2: Convert to fraction form
    2,103,807.80/3,155,711.70 = 684,007.40/x
  3. Step 3: Cross multiply
    2,103,807.80x = 3,155,711.70 × 684,007.40
  4. Step 4: Simplify right side
    2,103,807.80x = 2,158,530,155,066.58
  5. Step 5: Solve for x
    x = 2,158,530,155,066.58/2,103,807.80
  6. Step 6: Final answer
    x = 1,026,011.10

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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.