Home / 2,389,802.70-3,574,336.05-2,138,897.10

Finding the Fourth Proportional to 2,389,802.70, 3,574,336.05 and 2,138,897.10

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Solution

The fourth proportional to 2,389,802.70, 3,574,336.05 and 2,138,897.10 is: 3,199,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,802.70 : 3,574,336.05 = 2,138,897.10 : x
  2. Step 2: Convert to fraction form
    2,389,802.70/3,574,336.05 = 2,138,897.10/x
  3. Step 3: Cross multiply
    2,389,802.70x = 3,574,336.05 × 2,138,897.10
  4. Step 4: Simplify right side
    2,389,802.70x = 7,645,137,011,770.46
  5. Step 5: Solve for x
    x = 7,645,137,011,770.46/2,389,802.70
  6. Step 6: Final answer
    x = 3,199,066.19

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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.