Home / 3,491,051.76-4,817,681.28-1,963,145.52

Finding the Fourth Proportional to 3,491,051.76, 4,817,681.28 and 1,963,145.52

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Solution

The fourth proportional to 3,491,051.76, 4,817,681.28 and 1,963,145.52 is: 2,709,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,051.76 : 4,817,681.28 = 1,963,145.52 : x
  2. Step 2: Convert to fraction form
    3,491,051.76/4,817,681.28 = 1,963,145.52/x
  3. Step 3: Cross multiply
    3,491,051.76x = 4,817,681.28 × 1,963,145.52
  4. Step 4: Simplify right side
    3,491,051.76x = 9,457,809,421,619.87
  5. Step 5: Solve for x
    x = 9,457,809,421,619.87/3,491,051.76
  6. Step 6: Final answer
    x = 2,709,157.60

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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.