Home / 3,118,586.76-4,678,541.10-988,390.44

Finding the Fourth Proportional to 3,118,586.76, 4,678,541.10 and 988,390.44

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Solution

The fourth proportional to 3,118,586.76, 4,678,541.10 and 988,390.44 is: 1,482,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,586.76 : 4,678,541.10 = 988,390.44 : x
  2. Step 2: Convert to fraction form
    3,118,586.76/4,678,541.10 = 988,390.44/x
  3. Step 3: Cross multiply
    3,118,586.76x = 4,678,541.10 × 988,390.44
  4. Step 4: Simplify right side
    3,118,586.76x = 4,624,225,296,387.08
  5. Step 5: Solve for x
    x = 4,624,225,296,387.08/3,118,586.76
  6. Step 6: Final answer
    x = 1,482,795.14

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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.