Finding the Fourth Proportional to 2,191,696.48, 3,288,587.28 and 1,518,813.28
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Solution
The fourth proportional to 2,191,696.48, 3,288,587.28 and 1,518,813.28 is: 2,278,942.40
Step by Step Solution
- Step 1: Write the proportion equation
2,191,696.48 : 3,288,587.28 = 1,518,813.28 : x - Step 2: Convert to fraction form
2,191,696.48/3,288,587.28 = 1,518,813.28/x - Step 3: Cross multiply
2,191,696.48x = 3,288,587.28 × 1,518,813.28 - Step 4: Simplify right side
2,191,696.48x = 4,994,750,033,303.08 - Step 5: Solve for x
x = 4,994,750,033,303.08/2,191,696.48 - Step 6: Final answer
x = 2,278,942.40
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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.