Finding the Fourth Proportional to 1,834,743.80, 2,752,115.70 and 1,663,501.70
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Solution
The fourth proportional to 1,834,743.80, 2,752,115.70 and 1,663,501.70 is: 2,495,252.55
Step by Step Solution
- Step 1: Write the proportion equation
1,834,743.80 : 2,752,115.70 = 1,663,501.70 : x - Step 2: Convert to fraction form
1,834,743.80/2,752,115.70 = 1,663,501.70/x - Step 3: Cross multiply
1,834,743.80x = 2,752,115.70 × 1,663,501.70 - Step 4: Simplify right side
1,834,743.80x = 4,578,149,145,546.69 - Step 5: Solve for x
x = 4,578,149,145,546.69/1,834,743.80 - Step 6: Final answer
x = 2,495,252.55
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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.