Finding the Fourth Proportional to 4,781,967.68, 7,173,382.27 and 1,543,582.13
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Solution
The fourth proportional to 4,781,967.68, 7,173,382.27 and 1,543,582.13 is: 2,315,512.23
Step by Step Solution
- Step 1: Write the proportion equation
4,781,967.68 : 7,173,382.27 = 1,543,582.13 : x - Step 2: Convert to fraction form
4,781,967.68/7,173,382.27 = 1,543,582.13/x - Step 3: Cross multiply
4,781,967.68x = 7,173,382.27 × 1,543,582.13 - Step 4: Simplify right side
4,781,967.68x = 11,072,704,649,693.40 - Step 5: Solve for x
x = 11,072,704,649,693.40/4,781,967.68 - Step 6: Final answer
x = 2,315,512.23
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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.