Home / 1,580,180.64-2,178,590.37-1,007,011.68

Finding the Fourth Proportional to 1,580,180.64, 2,178,590.37 and 1,007,011.68

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Solution

The fourth proportional to 1,580,180.64, 2,178,590.37 and 1,007,011.68 is: 1,388,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,180.64 : 2,178,590.37 = 1,007,011.68 : x
  2. Step 2: Convert to fraction form
    1,580,180.64/2,178,590.37 = 1,007,011.68/x
  3. Step 3: Cross multiply
    1,580,180.64x = 2,178,590.37 × 1,007,011.68
  4. Step 4: Simplify right side
    1,580,180.64x = 2,193,865,948,525.52
  5. Step 5: Solve for x
    x = 2,193,865,948,525.52/1,580,180.64
  6. Step 6: Final answer
    x = 1,388,364.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.