Home / 2,570,117.96-3,854,678.46-972,805.64

Finding the Fourth Proportional to 2,570,117.96, 3,854,678.46 and 972,805.64

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Solution

The fourth proportional to 2,570,117.96, 3,854,678.46 and 972,805.64 is: 1,459,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570,117.96 : 3,854,678.46 = 972,805.64 : x
  2. Step 2: Convert to fraction form
    2,570,117.96/3,854,678.46 = 972,805.64/x
  3. Step 3: Cross multiply
    2,570,117.96x = 3,854,678.46 × 972,805.64
  4. Step 4: Simplify right side
    2,570,117.96x = 3,749,852,946,274.51
  5. Step 5: Solve for x
    x = 3,749,852,946,274.51/2,570,117.96
  6. Step 6: Final answer
    x = 1,459,019.78

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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.