Finding the Fourth Proportional to 5,409,672.76, 7,465,440.18 and 2,962,244.80
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Solution
The fourth proportional to 5,409,672.76, 7,465,440.18 and 2,962,244.80 is: 4,087,948.08
Step by Step Solution
- Step 1: Write the proportion equation
5,409,672.76 : 7,465,440.18 = 2,962,244.80 : x - Step 2: Convert to fraction form
5,409,672.76/7,465,440.18 = 2,962,244.80/x - Step 3: Cross multiply
5,409,672.76x = 7,465,440.18 × 2,962,244.80 - Step 4: Simplify right side
5,409,672.76x = 22,114,461,352,916.06 - Step 5: Solve for x
x = 22,114,461,352,916.06/5,409,672.76 - Step 6: Final answer
x = 4,087,948.08
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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.