Finding the Fourth Proportional to 1,543,151.20, 2,316,220.80 and 744,992.80
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Solution
The fourth proportional to 1,543,151.20, 2,316,220.80 and 744,992.80 is: 1,118,210.46
Step by Step Solution
- Step 1: Write the proportion equation
1,543,151.20 : 2,316,220.80 = 744,992.80 : x - Step 2: Convert to fraction form
1,543,151.20/2,316,220.80 = 744,992.80/x - Step 3: Cross multiply
1,543,151.20x = 2,316,220.80 × 744,992.80 - Step 4: Simplify right side
1,543,151.20x = 1,725,567,819,210.24 - Step 5: Solve for x
x = 1,725,567,819,210.24/1,543,151.20 - Step 6: Final answer
x = 1,118,210.46
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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.