Home / 2,780,388.65-3,837,094.45-1,556,683.47

Finding the Fourth Proportional to 2,780,388.65, 3,837,094.45 and 1,556,683.47

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Solution

The fourth proportional to 2,780,388.65, 3,837,094.45 and 1,556,683.47 is: 2,148,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,388.65 : 3,837,094.45 = 1,556,683.47 : x
  2. Step 2: Convert to fraction form
    2,780,388.65/3,837,094.45 = 1,556,683.47/x
  3. Step 3: Cross multiply
    2,780,388.65x = 3,837,094.45 × 1,556,683.47
  4. Step 4: Simplify right side
    2,780,388.65x = 5,973,141,495,360.32
  5. Step 5: Solve for x
    x = 5,973,141,495,360.32/2,780,388.65
  6. Step 6: Final answer
    x = 2,148,311.71

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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.