Finding the Fourth Proportional to 1,612,445.23, 2,225,146.26 and 877,374.70
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Solution
The fourth proportional to 1,612,445.23, 2,225,146.26 and 877,374.70 is: 1,210,761.77
Step by Step Solution
- Step 1: Write the proportion equation
1,612,445.23 : 2,225,146.26 = 877,374.70 : x - Step 2: Convert to fraction form
1,612,445.23/2,225,146.26 = 877,374.70/x - Step 3: Cross multiply
1,612,445.23x = 2,225,146.26 × 877,374.70 - Step 4: Simplify right side
1,612,445.23x = 1,952,287,037,632.13 - Step 5: Solve for x
x = 1,952,287,037,632.13/1,612,445.23 - Step 6: Final answer
x = 1,210,761.77
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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.