Home / 4,678,782.04-7,018,842.55-1,440,593.71

Finding the Fourth Proportional to 4,678,782.04, 7,018,842.55 and 1,440,593.71

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Solution

The fourth proportional to 4,678,782.04, 7,018,842.55 and 1,440,593.71 is: 2,161,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,782.04 : 7,018,842.55 = 1,440,593.71 : x
  2. Step 2: Convert to fraction form
    4,678,782.04/7,018,842.55 = 1,440,593.71/x
  3. Step 3: Cross multiply
    4,678,782.04x = 7,018,842.55 × 1,440,593.71
  4. Step 4: Simplify right side
    4,678,782.04x = 10,111,300,386,713.18
  5. Step 5: Solve for x
    x = 10,111,300,386,713.18/4,678,782.04
  6. Step 6: Final answer
    x = 2,161,096.69

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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.