Home / 1,651,617.40-2,478,981.30-1,021,761.40

Finding the Fourth Proportional to 1,651,617.40, 2,478,981.30 and 1,021,761.40

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Solution

The fourth proportional to 1,651,617.40, 2,478,981.30 and 1,021,761.40 is: 1,533,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,617.40 : 2,478,981.30 = 1,021,761.40 : x
  2. Step 2: Convert to fraction form
    1,651,617.40/2,478,981.30 = 1,021,761.40/x
  3. Step 3: Cross multiply
    1,651,617.40x = 2,478,981.30 × 1,021,761.40
  4. Step 4: Simplify right side
    1,651,617.40x = 2,532,927,403,661.82
  5. Step 5: Solve for x
    x = 2,532,927,403,661.82/1,651,617.40
  6. Step 6: Final answer
    x = 1,533,604.21

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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.