Home / 1,911,051.70-2,637,217.98-1,039,857.02

Finding the Fourth Proportional to 1,911,051.70, 2,637,217.98 and 1,039,857.02

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Solution

The fourth proportional to 1,911,051.70, 2,637,217.98 and 1,039,857.02 is: 1,434,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,051.70 : 2,637,217.98 = 1,039,857.02 : x
  2. Step 2: Convert to fraction form
    1,911,051.70/2,637,217.98 = 1,039,857.02/x
  3. Step 3: Cross multiply
    1,911,051.70x = 2,637,217.98 × 1,039,857.02
  4. Step 4: Simplify right side
    1,911,051.70x = 2,742,329,629,773.22
  5. Step 5: Solve for x
    x = 2,742,329,629,773.22/1,911,051.70
  6. Step 6: Final answer
    x = 1,434,984.53

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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.