Finding the Fourth Proportional to 4,154,581.40, 6,232,455.30 and 1,314,397.40
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Solution
The fourth proportional to 4,154,581.40, 6,232,455.30 and 1,314,397.40 is: 1,971,780.61
Step by Step Solution
- Step 1: Write the proportion equation
4,154,581.40 : 6,232,455.30 = 1,314,397.40 : x - Step 2: Convert to fraction form
4,154,581.40/6,232,455.30 = 1,314,397.40/x - Step 3: Cross multiply
4,154,581.40x = 6,232,455.30 × 1,314,397.40 - Step 4: Simplify right side
4,154,581.40x = 8,191,923,041,936.22 - Step 5: Solve for x
x = 8,191,923,041,936.22/4,154,581.40 - Step 6: Final answer
x = 1,971,780.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.