Finding the Fourth Proportional to 4,829,988.60, 7,245,230.76 and 1,235,786.40
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Solution
The fourth proportional to 4,829,988.60, 7,245,230.76 and 1,235,786.40 is: 1,853,743.02
Step by Step Solution
- Step 1: Write the proportion equation
4,829,988.60 : 7,245,230.76 = 1,235,786.40 : x - Step 2: Convert to fraction form
4,829,988.60/7,245,230.76 = 1,235,786.40/x - Step 3: Cross multiply
4,829,988.60x = 7,245,230.76 × 1,235,786.40 - Step 4: Simplify right side
4,829,988.60x = 8,953,557,638,069.66 - Step 5: Solve for x
x = 8,953,557,638,069.66/4,829,988.60 - Step 6: Final answer
x = 1,853,743.02
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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.