Finding the Fourth Proportional to 7,281,845.19, 10,920,876.35 and 2,163,071.93
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Solution
The fourth proportional to 7,281,845.19, 10,920,876.35 and 2,163,071.93 is: 3,244,046.04
Step by Step Solution
- Step 1: Write the proportion equation
7,281,845.19 : 10,920,876.35 = 2,163,071.93 : x - Step 2: Convert to fraction form
7,281,845.19/10,920,876.35 = 2,163,071.93/x - Step 3: Cross multiply
7,281,845.19x = 10,920,876.35 × 2,163,071.93 - Step 4: Simplify right side
7,281,845.19x = 23,622,641,018,266.11 - Step 5: Solve for x
x = 23,622,641,018,266.11/7,281,845.19 - Step 6: Final answer
x = 3,244,046.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.