Home / 1,918,880-2,648,287.68-1,114,064

Finding the Fourth Proportional to 1,918,880, 2,648,287.68 and 1,114,064

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Solution

The fourth proportional to 1,918,880, 2,648,287.68 and 1,114,064 is: 1,537,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,880 : 2,648,287.68 = 1,114,064 : x
  2. Step 2: Convert to fraction form
    1,918,880/2,648,287.68 = 1,114,064/x
  3. Step 3: Cross multiply
    1,918,880x = 2,648,287.68 × 1,114,064
  4. Step 4: Simplify right side
    1,918,880x = 2,950,361,965,931.52
  5. Step 5: Solve for x
    x = 2,950,361,965,931.52/1,918,880
  6. Step 6: Final answer
    x = 1,537,543.76

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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.