Home / 4,976,392.80-7,472,462.40-3,779,666.40

Finding the Fourth Proportional to 4,976,392.80, 7,472,462.40 and 3,779,666.40

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Solution

The fourth proportional to 4,976,392.80, 7,472,462.40 and 3,779,666.40 is: 5,675,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976,392.80 : 7,472,462.40 = 3,779,666.40 : x
  2. Step 2: Convert to fraction form
    4,976,392.80/7,472,462.40 = 3,779,666.40/x
  3. Step 3: Cross multiply
    4,976,392.80x = 7,472,462.40 × 3,779,666.40
  4. Step 4: Simplify right side
    4,976,392.80x = 28,243,415,058,543.36
  5. Step 5: Solve for x
    x = 28,243,415,058,543.36/4,976,392.80
  6. Step 6: Final answer
    x = 5,675,479.45

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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.