Home / 1,778,391.42-2,453,510.22-1,166,881.74

Finding the Fourth Proportional to 1,778,391.42, 2,453,510.22 and 1,166,881.74

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Solution

The fourth proportional to 1,778,391.42, 2,453,510.22 and 1,166,881.74 is: 1,609,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,391.42 : 2,453,510.22 = 1,166,881.74 : x
  2. Step 2: Convert to fraction form
    1,778,391.42/2,453,510.22 = 1,166,881.74/x
  3. Step 3: Cross multiply
    1,778,391.42x = 2,453,510.22 × 1,166,881.74
  4. Step 4: Simplify right side
    1,778,391.42x = 2,862,956,274,621.38
  5. Step 5: Solve for x
    x = 2,862,956,274,621.38/1,778,391.42
  6. Step 6: Final answer
    x = 1,609,857.22

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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.