Home / 3,316,939.46-4,975,436.87-920,970.93

Finding the Fourth Proportional to 3,316,939.46, 4,975,436.87 and 920,970.93

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Solution

The fourth proportional to 3,316,939.46, 4,975,436.87 and 920,970.93 is: 1,381,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,939.46 : 4,975,436.87 = 920,970.93 : x
  2. Step 2: Convert to fraction form
    3,316,939.46/4,975,436.87 = 920,970.93/x
  3. Step 3: Cross multiply
    3,316,939.46x = 4,975,436.87 × 920,970.93
  4. Step 4: Simplify right side
    3,316,939.46x = 4,582,232,716,715.34
  5. Step 5: Solve for x
    x = 4,582,232,716,715.34/3,316,939.46
  6. Step 6: Final answer
    x = 1,381,464.08

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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.