Home / 1,838,457.40-2,754,405.60-889,736.80

Finding the Fourth Proportional to 1,838,457.40, 2,754,405.60 and 889,736.80

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Solution

The fourth proportional to 1,838,457.40, 2,754,405.60 and 889,736.80 is: 1,333,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,457.40 : 2,754,405.60 = 889,736.80 : x
  2. Step 2: Convert to fraction form
    1,838,457.40/2,754,405.60 = 889,736.80/x
  3. Step 3: Cross multiply
    1,838,457.40x = 2,754,405.60 × 889,736.80
  4. Step 4: Simplify right side
    1,838,457.40x = 2,450,696,024,446.08
  5. Step 5: Solve for x
    x = 2,450,696,024,446.08/1,838,457.40
  6. Step 6: Final answer
    x = 1,333,017.57

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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.