Home / 3,139,572.80-4,332,555.24-1,762,927.40

Finding the Fourth Proportional to 3,139,572.80, 4,332,555.24 and 1,762,927.40

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Solution

The fourth proportional to 3,139,572.80, 4,332,555.24 and 1,762,927.40 is: 2,432,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,572.80 : 4,332,555.24 = 1,762,927.40 : x
  2. Step 2: Convert to fraction form
    3,139,572.80/4,332,555.24 = 1,762,927.40/x
  3. Step 3: Cross multiply
    3,139,572.80x = 4,332,555.24 × 1,762,927.40
  4. Step 4: Simplify right side
    3,139,572.80x = 7,637,980,344,609.58
  5. Step 5: Solve for x
    x = 7,637,980,344,609.58/3,139,572.80
  6. Step 6: Final answer
    x = 2,432,808.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.