Home / 1,548,886.70-2,137,448.23-860,543.78

Finding the Fourth Proportional to 1,548,886.70, 2,137,448.23 and 860,543.78

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Solution

The fourth proportional to 1,548,886.70, 2,137,448.23 and 860,543.78 is: 1,187,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,886.70 : 2,137,448.23 = 860,543.78 : x
  2. Step 2: Convert to fraction form
    1,548,886.70/2,137,448.23 = 860,543.78/x
  3. Step 3: Cross multiply
    1,548,886.70x = 2,137,448.23 × 860,543.78
  4. Step 4: Simplify right side
    1,548,886.70x = 1,839,367,779,398.51
  5. Step 5: Solve for x
    x = 1,839,367,779,398.51/1,548,886.70
  6. Step 6: Final answer
    x = 1,187,541.85

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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.