Finding the Fourth Proportional to 1,098,684.63, 1,516,280.18 and 615,240.99
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Solution
The fourth proportional to 1,098,684.63, 1,516,280.18 and 615,240.99 is: 849,085.98
Step by Step Solution
- Step 1: Write the proportion equation
1,098,684.63 : 1,516,280.18 = 615,240.99 : x - Step 2: Convert to fraction form
1,098,684.63/1,516,280.18 = 615,240.99/x - Step 3: Cross multiply
1,098,684.63x = 1,516,280.18 × 615,240.99 - Step 4: Simplify right side
1,098,684.63x = 932,877,715,984.37 - Step 5: Solve for x
x = 932,877,715,984.37/1,098,684.63 - Step 6: Final answer
x = 849,085.98
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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.