Finding the Fourth Proportional to 2,218,521.06, 3,328,149.48 and 778,830.78
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Solution
The fourth proportional to 2,218,521.06, 3,328,149.48 and 778,830.78 is: 1,168,375.32
Step by Step Solution
- Step 1: Write the proportion equation
2,218,521.06 : 3,328,149.48 = 778,830.78 : x - Step 2: Convert to fraction form
2,218,521.06/3,328,149.48 = 778,830.78/x - Step 3: Cross multiply
2,218,521.06x = 3,328,149.48 × 778,830.78 - Step 4: Simplify right side
2,218,521.06x = 2,592,065,255,464.99 - Step 5: Solve for x
x = 2,592,065,255,464.99/2,218,521.06 - Step 6: Final answer
x = 1,168,375.32
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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.