Home / 6,457,789-8,909,975.46-4,495,467.88

Finding the Fourth Proportional to 6,457,789, 8,909,975.46 and 4,495,467.88

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Solution

The fourth proportional to 6,457,789, 8,909,975.46 and 4,495,467.88 is: 6,202,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,789 : 8,909,975.46 = 4,495,467.88 : x
  2. Step 2: Convert to fraction form
    6,457,789/8,909,975.46 = 4,495,467.88/x
  3. Step 3: Cross multiply
    6,457,789x = 8,909,975.46 × 4,495,467.88
  4. Step 4: Simplify right side
    6,457,789x = 40,054,508,492,018.23
  5. Step 5: Solve for x
    x = 40,054,508,492,018.23/6,457,789
  6. Step 6: Final answer
    x = 6,202,511.18

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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.