Home / 2,688,007.70-4,032,011.55-1,505,902.10

Finding the Fourth Proportional to 2,688,007.70, 4,032,011.55 and 1,505,902.10

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Solution

The fourth proportional to 2,688,007.70, 4,032,011.55 and 1,505,902.10 is: 2,258,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,007.70 : 4,032,011.55 = 1,505,902.10 : x
  2. Step 2: Convert to fraction form
    2,688,007.70/4,032,011.55 = 1,505,902.10/x
  3. Step 3: Cross multiply
    2,688,007.70x = 4,032,011.55 × 1,505,902.10
  4. Step 4: Simplify right side
    2,688,007.70x = 6,071,814,660,369.26
  5. Step 5: Solve for x
    x = 6,071,814,660,369.26/2,688,007.70
  6. Step 6: Final answer
    x = 2,258,853.15

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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.