Home / 6,503,048.72-8,974,089.60-3,602,430.80

Finding the Fourth Proportional to 6,503,048.72, 8,974,089.60 and 3,602,430.80

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Solution

The fourth proportional to 6,503,048.72, 8,974,089.60 and 3,602,430.80 is: 4,971,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,048.72 : 8,974,089.60 = 3,602,430.80 : x
  2. Step 2: Convert to fraction form
    6,503,048.72/8,974,089.60 = 3,602,430.80/x
  3. Step 3: Cross multiply
    6,503,048.72x = 8,974,089.60 × 3,602,430.80
  4. Step 4: Simplify right side
    6,503,048.72x = 32,328,536,776,999.68
  5. Step 5: Solve for x
    x = 32,328,536,776,999.68/6,503,048.72
  6. Step 6: Final answer
    x = 4,971,289.34

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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.