Home / 6,457,388.49-8,911,195.07-3,556,779.26

Finding the Fourth Proportional to 6,457,388.49, 8,911,195.07 and 3,556,779.26

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Solution

The fourth proportional to 6,457,388.49, 8,911,195.07 and 3,556,779.26 is: 4,908,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,388.49 : 8,911,195.07 = 3,556,779.26 : x
  2. Step 2: Convert to fraction form
    6,457,388.49/8,911,195.07 = 3,556,779.26/x
  3. Step 3: Cross multiply
    6,457,388.49x = 8,911,195.07 × 3,556,779.26
  4. Step 4: Simplify right side
    6,457,388.49x = 31,695,153,744,450.38
  5. Step 5: Solve for x
    x = 31,695,153,744,450.38/6,457,388.49
  6. Step 6: Final answer
    x = 4,908,354.79

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1.5x scale

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.