Home / 1,913,985.84-2,641,360.14-1,098,338.88

Finding the Fourth Proportional to 1,913,985.84, 2,641,360.14 and 1,098,338.88

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Solution

The fourth proportional to 1,913,985.84, 2,641,360.14 and 1,098,338.88 is: 1,515,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,985.84 : 2,641,360.14 = 1,098,338.88 : x
  2. Step 2: Convert to fraction form
    1,913,985.84/2,641,360.14 = 1,098,338.88/x
  3. Step 3: Cross multiply
    1,913,985.84x = 2,641,360.14 × 1,098,338.88
  4. Step 4: Simplify right side
    1,913,985.84x = 2,901,108,537,844.24
  5. Step 5: Solve for x
    x = 2,901,108,537,844.24/1,913,985.84
  6. Step 6: Final answer
    x = 1,515,741.90

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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.