Finding the Fourth Proportional to 1,990,114.92, 2,746,750.62 and 1,386,153
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Solution
The fourth proportional to 1,990,114.92, 2,746,750.62 and 1,386,153 is: 1,913,164.20
Step by Step Solution
- Step 1: Write the proportion equation
1,990,114.92 : 2,746,750.62 = 1,386,153 : x - Step 2: Convert to fraction form
1,990,114.92/2,746,750.62 = 1,386,153/x - Step 3: Cross multiply
1,990,114.92x = 2,746,750.62 × 1,386,153 - Step 4: Simplify right side
1,990,114.92x = 3,807,416,612,164.86 - Step 5: Solve for x
x = 3,807,416,612,164.86/1,990,114.92 - Step 6: Final answer
x = 1,913,164.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.