Home / 1,458,045.45-2,187,068.18-1,418,679.45

Finding the Fourth Proportional to 1,458,045.45, 2,187,068.18 and 1,418,679.45

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Solution

The fourth proportional to 1,458,045.45, 2,187,068.18 and 1,418,679.45 is: 2,128,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,045.45 : 2,187,068.18 = 1,418,679.45 : x
  2. Step 2: Convert to fraction form
    1,458,045.45/2,187,068.18 = 1,418,679.45/x
  3. Step 3: Cross multiply
    1,458,045.45x = 2,187,068.18 × 1,418,679.45
  4. Step 4: Simplify right side
    1,458,045.45x = 3,102,748,675,621.50
  5. Step 5: Solve for x
    x = 3,102,748,675,621.50/1,458,045.45
  6. Step 6: Final answer
    x = 2,128,019.18

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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.