Home / 1,664,911.68-2,490,151.93-980,166.77

Finding the Fourth Proportional to 1,664,911.68, 2,490,151.93 and 980,166.77

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Solution

The fourth proportional to 1,664,911.68, 2,490,151.93 and 980,166.77 is: 1,466,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,911.68 : 2,490,151.93 = 980,166.77 : x
  2. Step 2: Convert to fraction form
    1,664,911.68/2,490,151.93 = 980,166.77/x
  3. Step 3: Cross multiply
    1,664,911.68x = 2,490,151.93 × 980,166.77
  4. Step 4: Simplify right side
    1,664,911.68x = 2,440,764,159,136.19
  5. Step 5: Solve for x
    x = 2,440,764,159,136.19/1,664,911.68
  6. Step 6: Final answer
    x = 1,466,002.18

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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.