Finding the Fourth Proportional to 6,574,376.96, 9,075,434.48 and 3,996,880.80
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Solution
The fourth proportional to 6,574,376.96, 9,075,434.48 and 3,996,880.80 is: 5,517,394.28
Step by Step Solution
- Step 1: Write the proportion equation
6,574,376.96 : 9,075,434.48 = 3,996,880.80 : x - Step 2: Convert to fraction form
6,574,376.96/9,075,434.48 = 3,996,880.80/x - Step 3: Cross multiply
6,574,376.96x = 9,075,434.48 × 3,996,880.80 - Step 4: Simplify right side
6,574,376.96x = 36,273,429,824,769.98 - Step 5: Solve for x
x = 36,273,429,824,769.98/6,574,376.96 - Step 6: Final answer
x = 5,517,394.28
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1.5x scale
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.