Finding the Fourth Proportional to 1,472,916.27, 2,032,445.91 and 819,387.88
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Solution
The fourth proportional to 1,472,916.27, 2,032,445.91 and 819,387.88 is: 1,130,655.95
Step by Step Solution
- Step 1: Write the proportion equation
1,472,916.27 : 2,032,445.91 = 819,387.88 : x - Step 2: Convert to fraction form
1,472,916.27/2,032,445.91 = 819,387.88/x - Step 3: Cross multiply
1,472,916.27x = 2,032,445.91 × 819,387.88 - Step 4: Simplify right side
1,472,916.27x = 1,665,361,545,409.57 - Step 5: Solve for x
x = 1,665,361,545,409.57/1,472,916.27 - Step 6: Final answer
x = 1,130,655.95
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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.