Finding the Fourth Proportional to 1,645,892.19, 2,271,334.55 and 920,752.02
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Solution
The fourth proportional to 1,645,892.19, 2,271,334.55 and 920,752.02 is: 1,270,639.65
Step by Step Solution
- Step 1: Write the proportion equation
1,645,892.19 : 2,271,334.55 = 920,752.02 : x - Step 2: Convert to fraction form
1,645,892.19/2,271,334.55 = 920,752.02/x - Step 3: Cross multiply
1,645,892.19x = 2,271,334.55 × 920,752.02 - Step 4: Simplify right side
1,645,892.19x = 2,091,335,870,404.53 - Step 5: Solve for x
x = 2,091,335,870,404.53/1,645,892.19 - Step 6: Final answer
x = 1,270,639.65
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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.