Finding the Fourth Proportional to 2,124,811.70, 3,186,048.86 and 1,451,653.10
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Solution
The fourth proportional to 2,124,811.70, 3,186,048.86 and 1,451,653.10 is: 2,176,681.21
Step by Step Solution
- Step 1: Write the proportion equation
2,124,811.70 : 3,186,048.86 = 1,451,653.10 : x - Step 2: Convert to fraction form
2,124,811.70/3,186,048.86 = 1,451,653.10/x - Step 3: Cross multiply
2,124,811.70x = 3,186,048.86 × 1,451,653.10 - Step 4: Simplify right side
2,124,811.70x = 4,625,037,681,181.96 - Step 5: Solve for x
x = 4,625,037,681,181.96/2,124,811.70 - Step 6: Final answer
x = 2,176,681.21
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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.