Home / 4,779,991.80-7,169,987.70-4,402,078.20

Finding the Fourth Proportional to 4,779,991.80, 7,169,987.70 and 4,402,078.20

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Solution

The fourth proportional to 4,779,991.80, 7,169,987.70 and 4,402,078.20 is: 6,603,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,991.80 : 7,169,987.70 = 4,402,078.20 : x
  2. Step 2: Convert to fraction form
    4,779,991.80/7,169,987.70 = 4,402,078.20/x
  3. Step 3: Cross multiply
    4,779,991.80x = 7,169,987.70 × 4,402,078.20
  4. Step 4: Simplify right side
    4,779,991.80x = 31,562,846,548,438.14
  5. Step 5: Solve for x
    x = 31,562,846,548,438.14/4,779,991.80
  6. Step 6: Final answer
    x = 6,603,117.30

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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.