Home / 3,316,809.68-4,975,570.08-920,664.48

Finding the Fourth Proportional to 3,316,809.68, 4,975,570.08 and 920,664.48

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Solution

The fourth proportional to 3,316,809.68, 4,975,570.08 and 920,664.48 is: 1,381,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,809.68 : 4,975,570.08 = 920,664.48 : x
  2. Step 2: Convert to fraction form
    3,316,809.68/4,975,570.08 = 920,664.48/x
  3. Step 3: Cross multiply
    3,316,809.68x = 4,975,570.08 × 920,664.48
  4. Step 4: Simplify right side
    3,316,809.68x = 4,580,830,640,406.76
  5. Step 5: Solve for x
    x = 4,580,830,640,406.76/3,316,809.68
  6. Step 6: Final answer
    x = 1,381,095.41

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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.