Finding the Fourth Proportional to 1,657,445.12, 2,287,177.44 and 922,379.84
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Solution
The fourth proportional to 1,657,445.12, 2,287,177.44 and 922,379.84 is: 1,272,830.30
Step by Step Solution
- Step 1: Write the proportion equation
1,657,445.12 : 2,287,177.44 = 922,379.84 : x - Step 2: Convert to fraction form
1,657,445.12/2,287,177.44 = 922,379.84/x - Step 3: Cross multiply
1,657,445.12x = 2,287,177.44 × 922,379.84 - Step 4: Simplify right side
1,657,445.12x = 2,109,646,361,158.81 - Step 5: Solve for x
x = 2,109,646,361,158.81/1,657,445.12 - Step 6: Final answer
x = 1,272,830.30
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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.