Finding the Fourth Proportional to 1,965,318.08, 2,711,594.12 and 1,180,181.43
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Solution
The fourth proportional to 1,965,318.08, 2,711,594.12 and 1,180,181.43 is: 1,628,323.20
Step by Step Solution
- Step 1: Write the proportion equation
1,965,318.08 : 2,711,594.12 = 1,180,181.43 : x - Step 2: Convert to fraction form
1,965,318.08/2,711,594.12 = 1,180,181.43/x - Step 3: Cross multiply
1,965,318.08x = 2,711,594.12 × 1,180,181.43 - Step 4: Simplify right side
1,965,318.08x = 3,200,173,020,220.28 - Step 5: Solve for x
x = 3,200,173,020,220.28/1,965,318.08 - Step 6: Final answer
x = 1,628,323.20
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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.