Finding the Fourth Proportional to 1,553,967.08, 2,144,390.71 and 856,224.55
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Solution
The fourth proportional to 1,553,967.08, 2,144,390.71 and 856,224.55 is: 1,181,543.67
Step by Step Solution
- Step 1: Write the proportion equation
1,553,967.08 : 2,144,390.71 = 856,224.55 : x - Step 2: Convert to fraction form
1,553,967.08/2,144,390.71 = 856,224.55/x - Step 3: Cross multiply
1,553,967.08x = 2,144,390.71 × 856,224.55 - Step 4: Simplify right side
1,553,967.08x = 1,836,079,966,808.18 - Step 5: Solve for x
x = 1,836,079,966,808.18/1,553,967.08 - Step 6: Final answer
x = 1,181,543.67
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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.