Home / 1,920,140.49-2,880,200.32-782,898.26

Finding the Fourth Proportional to 1,920,140.49, 2,880,200.32 and 782,898.26

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Solution

The fourth proportional to 1,920,140.49, 2,880,200.32 and 782,898.26 is: 1,174,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,140.49 : 2,880,200.32 = 782,898.26 : x
  2. Step 2: Convert to fraction form
    1,920,140.49/2,880,200.32 = 782,898.26/x
  3. Step 3: Cross multiply
    1,920,140.49x = 2,880,200.32 × 782,898.26
  4. Step 4: Simplify right side
    1,920,140.49x = 2,254,903,824,222.70
  5. Step 5: Solve for x
    x = 2,254,903,824,222.70/1,920,140.49
  6. Step 6: Final answer
    x = 1,174,343.15

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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.