Home / 6,390,456.71-9,590,445.83-4,688,996.69

Finding the Fourth Proportional to 6,390,456.71, 9,590,445.83 and 4,688,996.69

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Solution

The fourth proportional to 6,390,456.71, 9,590,445.83 and 4,688,996.69 is: 7,036,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,456.71 : 9,590,445.83 = 4,688,996.69 : x
  2. Step 2: Convert to fraction form
    6,390,456.71/9,590,445.83 = 4,688,996.69/x
  3. Step 3: Cross multiply
    6,390,456.71x = 9,590,445.83 × 4,688,996.69
  4. Step 4: Simplify right side
    6,390,456.71x = 44,969,568,788,192.91
  5. Step 5: Solve for x
    x = 44,969,568,788,192.91/6,390,456.71
  6. Step 6: Final answer
    x = 7,036,988.26

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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.