Home / 2,590,988.40-3,885,791.40-907,916.40

Finding the Fourth Proportional to 2,590,988.40, 3,885,791.40 and 907,916.40

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Solution

The fourth proportional to 2,590,988.40, 3,885,791.40 and 907,916.40 is: 1,361,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,988.40 : 3,885,791.40 = 907,916.40 : x
  2. Step 2: Convert to fraction form
    2,590,988.40/3,885,791.40 = 907,916.40/x
  3. Step 3: Cross multiply
    2,590,988.40x = 3,885,791.40 × 907,916.40
  4. Step 4: Simplify right side
    2,590,988.40x = 3,527,973,739,038.96
  5. Step 5: Solve for x
    x = 3,527,973,739,038.96/2,590,988.40
  6. Step 6: Final answer
    x = 1,361,632.39

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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.