Home / 1,865,920.77-2,575,765.17-1,254,428.19

Finding the Fourth Proportional to 1,865,920.77, 2,575,765.17 and 1,254,428.19

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Solution

The fourth proportional to 1,865,920.77, 2,575,765.17 and 1,254,428.19 is: 1,731,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,920.77 : 2,575,765.17 = 1,254,428.19 : x
  2. Step 2: Convert to fraction form
    1,865,920.77/2,575,765.17 = 1,254,428.19/x
  3. Step 3: Cross multiply
    1,865,920.77x = 2,575,765.17 × 1,254,428.19
  4. Step 4: Simplify right side
    1,865,920.77x = 3,231,112,440,068.14
  5. Step 5: Solve for x
    x = 3,231,112,440,068.14/1,865,920.77
  6. Step 6: Final answer
    x = 1,731,645.04

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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.