Home / 2,154,612.42-2,969,619.84-1,572,878.52

Finding the Fourth Proportional to 2,154,612.42, 2,969,619.84 and 1,572,878.52

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Solution

The fourth proportional to 2,154,612.42, 2,969,619.84 and 1,572,878.52 is: 2,167,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,612.42 : 2,969,619.84 = 1,572,878.52 : x
  2. Step 2: Convert to fraction form
    2,154,612.42/2,969,619.84 = 1,572,878.52/x
  3. Step 3: Cross multiply
    2,154,612.42x = 2,969,619.84 × 1,572,878.52
  4. Step 4: Simplify right side
    2,154,612.42x = 4,670,851,258,901.84
  5. Step 5: Solve for x
    x = 4,670,851,258,901.84/2,154,612.42
  6. Step 6: Final answer
    x = 2,167,838.27

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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.