Finding the Fourth Proportional to 7,245,292.24, 9,998,606.76 and 3,982,408.64
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Solution
The fourth proportional to 7,245,292.24, 9,998,606.76 and 3,982,408.64 is: 5,495,780.80
Step by Step Solution
- Step 1: Write the proportion equation
7,245,292.24 : 9,998,606.76 = 3,982,408.64 : x - Step 2: Convert to fraction form
7,245,292.24/9,998,606.76 = 3,982,408.64/x - Step 3: Cross multiply
7,245,292.24x = 9,998,606.76 × 3,982,408.64 - Step 4: Simplify right side
7,245,292.24x = 39,818,537,948,986.41 - Step 5: Solve for x
x = 39,818,537,948,986.41/7,245,292.24 - Step 6: Final answer
x = 5,495,780.80
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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.