Finding the Fourth Proportional to 4,188,518.64, 6,276,965.18 and 1,908,470.93
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Solution
The fourth proportional to 4,188,518.64, 6,276,965.18 and 1,908,470.93 is: 2,860,057.83
Step by Step Solution
- Step 1: Write the proportion equation
4,188,518.64 : 6,276,965.18 = 1,908,470.93 : x - Step 2: Convert to fraction form
4,188,518.64/6,276,965.18 = 1,908,470.93/x - Step 3: Cross multiply
4,188,518.64x = 6,276,965.18 × 1,908,470.93 - Step 4: Simplify right side
4,188,518.64x = 11,979,405,533,725.04 - Step 5: Solve for x
x = 11,979,405,533,725.04/4,188,518.64 - Step 6: Final answer
x = 2,860,057.83
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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.