Home / 6,390,457.71-9,590,447.33-4,688,997.69

Finding the Fourth Proportional to 6,390,457.71, 9,590,447.33 and 4,688,997.69

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Solution

The fourth proportional to 6,390,457.71, 9,590,447.33 and 4,688,997.69 is: 7,036,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,457.71 : 9,590,447.33 = 4,688,997.69 : x
  2. Step 2: Convert to fraction form
    6,390,457.71/9,590,447.33 = 4,688,997.69/x
  3. Step 3: Cross multiply
    6,390,457.71x = 9,590,447.33 × 4,688,997.69
  4. Step 4: Simplify right side
    6,390,457.71x = 44,969,585,376,436.67
  5. Step 5: Solve for x
    x = 44,969,585,376,436.67/6,390,457.71
  6. Step 6: Final answer
    x = 7,036,989.75

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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.