Finding the Fourth Proportional to 1,488,021.70, 2,227,366.95 and 1,068,117.70
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Solution
The fourth proportional to 1,488,021.70, 2,227,366.95 and 1,068,117.70 is: 1,598,827.53
Step by Step Solution
- Step 1: Write the proportion equation
1,488,021.70 : 2,227,366.95 = 1,068,117.70 : x - Step 2: Convert to fraction form
1,488,021.70/2,227,366.95 = 1,068,117.70/x - Step 3: Cross multiply
1,488,021.70x = 2,227,366.95 × 1,068,117.70 - Step 4: Simplify right side
1,488,021.70x = 2,379,090,063,690.02 - Step 5: Solve for x
x = 2,379,090,063,690.02/1,488,021.70 - Step 6: Final answer
x = 1,598,827.53
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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.