Home / 2,975,747.60-4,099,242.85-2,157,547.16

Finding the Fourth Proportional to 2,975,747.60, 4,099,242.85 and 2,157,547.16

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Solution

The fourth proportional to 2,975,747.60, 4,099,242.85 and 2,157,547.16 is: 2,972,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975,747.60 : 4,099,242.85 = 2,157,547.16 : x
  2. Step 2: Convert to fraction form
    2,975,747.60/4,099,242.85 = 2,157,547.16/x
  3. Step 3: Cross multiply
    2,975,747.60x = 4,099,242.85 × 2,157,547.16
  4. Step 4: Simplify right side
    2,975,747.60x = 8,844,309,743,277.72
  5. Step 5: Solve for x
    x = 8,844,309,743,277.72/2,975,747.60
  6. Step 6: Final answer
    x = 2,972,130.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.