Finding the Fourth Proportional to 1,720,257.60, 2,374,099.12 and 956,382.24
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Solution
The fourth proportional to 1,720,257.60, 2,374,099.12 and 956,382.24 is: 1,319,887.34
Step by Step Solution
- Step 1: Write the proportion equation
1,720,257.60 : 2,374,099.12 = 956,382.24 : x - Step 2: Convert to fraction form
1,720,257.60/2,374,099.12 = 956,382.24/x - Step 3: Cross multiply
1,720,257.60x = 2,374,099.12 × 956,382.24 - Step 4: Simplify right side
1,720,257.60x = 2,270,546,234,367.63 - Step 5: Solve for x
x = 2,270,546,234,367.63/1,720,257.60 - Step 6: Final answer
x = 1,319,887.34
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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.