Finding the Fourth Proportional to 4,811,570.64, 6,638,332.62 and 2,745,101.70
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Solution
The fourth proportional to 4,811,570.64, 6,638,332.62 and 2,745,101.70 is: 3,787,307.62
Step by Step Solution
- Step 1: Write the proportion equation
4,811,570.64 : 6,638,332.62 = 2,745,101.70 : x - Step 2: Convert to fraction form
4,811,570.64/6,638,332.62 = 2,745,101.70/x - Step 3: Cross multiply
4,811,570.64x = 6,638,332.62 × 2,745,101.70 - Step 4: Simplify right side
4,811,570.64x = 18,222,898,160,327.46 - Step 5: Solve for x
x = 18,222,898,160,327.46/4,811,570.64 - Step 6: Final answer
x = 3,787,307.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.