Home / 1,638,110.70-2,457,166.05-1,041,715.80

Finding the Fourth Proportional to 1,638,110.70, 2,457,166.05 and 1,041,715.80

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Solution

The fourth proportional to 1,638,110.70, 2,457,166.05 and 1,041,715.80 is: 1,562,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,110.70 : 2,457,166.05 = 1,041,715.80 : x
  2. Step 2: Convert to fraction form
    1,638,110.70/2,457,166.05 = 1,041,715.80/x
  3. Step 3: Cross multiply
    1,638,110.70x = 2,457,166.05 × 1,041,715.80
  4. Step 4: Simplify right side
    1,638,110.70x = 2,559,668,697,508.59
  5. Step 5: Solve for x
    x = 2,559,668,697,508.59/1,638,110.70
  6. Step 6: Final answer
    x = 1,562,573.70

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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.