Home / 2,159,510.64-2,980,124.64-1,254,150.96

Finding the Fourth Proportional to 2,159,510.64, 2,980,124.64 and 1,254,150.96

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Solution

The fourth proportional to 2,159,510.64, 2,980,124.64 and 1,254,150.96 is: 1,730,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,510.64 : 2,980,124.64 = 1,254,150.96 : x
  2. Step 2: Convert to fraction form
    2,159,510.64/2,980,124.64 = 1,254,150.96/x
  3. Step 3: Cross multiply
    2,159,510.64x = 2,980,124.64 × 1,254,150.96
  4. Step 4: Simplify right side
    2,159,510.64x = 3,737,526,178,175.65
  5. Step 5: Solve for x
    x = 3,737,526,178,175.65/2,159,510.64
  6. Step 6: Final answer
    x = 1,730,728.30

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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.