Home / 2,152,382.40-2,970,307.80-1,185,516.24

Finding the Fourth Proportional to 2,152,382.40, 2,970,307.80 and 1,185,516.24

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Solution

The fourth proportional to 2,152,382.40, 2,970,307.80 and 1,185,516.24 is: 1,636,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,382.40 : 2,970,307.80 = 1,185,516.24 : x
  2. Step 2: Convert to fraction form
    2,152,382.40/2,970,307.80 = 1,185,516.24/x
  3. Step 3: Cross multiply
    2,152,382.40x = 2,970,307.80 × 1,185,516.24
  4. Step 4: Simplify right side
    2,152,382.40x = 3,521,348,134,698.67
  5. Step 5: Solve for x
    x = 3,521,348,134,698.67/2,152,382.40
  6. Step 6: Final answer
    x = 1,636,023.48

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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.