Home / 1,572,542.55-2,169,586.70-1,281,653.93

Finding the Fourth Proportional to 1,572,542.55, 2,169,586.70 and 1,281,653.93

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Solution

The fourth proportional to 1,572,542.55, 2,169,586.70 and 1,281,653.93 is: 1,768,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,542.55 : 2,169,586.70 = 1,281,653.93 : x
  2. Step 2: Convert to fraction form
    1,572,542.55/2,169,586.70 = 1,281,653.93/x
  3. Step 3: Cross multiply
    1,572,542.55x = 2,169,586.70 × 1,281,653.93
  4. Step 4: Simplify right side
    1,572,542.55x = 2,780,659,303,274.53
  5. Step 5: Solve for x
    x = 2,780,659,303,274.53/1,572,542.55
  6. Step 6: Final answer
    x = 1,768,256.96

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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.