Home / 1,616,513.40-2,424,770.10-986,657.40

Finding the Fourth Proportional to 1,616,513.40, 2,424,770.10 and 986,657.40

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Solution

The fourth proportional to 1,616,513.40, 2,424,770.10 and 986,657.40 is: 1,479,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,513.40 : 2,424,770.10 = 986,657.40 : x
  2. Step 2: Convert to fraction form
    1,616,513.40/2,424,770.10 = 986,657.40/x
  3. Step 3: Cross multiply
    1,616,513.40x = 2,424,770.10 × 986,657.40
  4. Step 4: Simplify right side
    1,616,513.40x = 2,392,417,362,463.74
  5. Step 5: Solve for x
    x = 2,392,417,362,463.74/1,616,513.40
  6. Step 6: Final answer
    x = 1,479,986.10

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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.