Home / 4,767,686.40-7,154,294.40-1,776,172.80

Finding the Fourth Proportional to 4,767,686.40, 7,154,294.40 and 1,776,172.80

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Solution

The fourth proportional to 4,767,686.40, 7,154,294.40 and 1,776,172.80 is: 2,665,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767,686.40 : 7,154,294.40 = 1,776,172.80 : x
  2. Step 2: Convert to fraction form
    4,767,686.40/7,154,294.40 = 1,776,172.80/x
  3. Step 3: Cross multiply
    4,767,686.40x = 7,154,294.40 × 1,776,172.80
  4. Step 4: Simplify right side
    4,767,686.40x = 12,707,263,116,472.32
  5. Step 5: Solve for x
    x = 12,707,263,116,472.32/4,767,686.40
  6. Step 6: Final answer
    x = 2,665,289.21

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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.