Finding the Fourth Proportional to 5,429,233.70, 7,490,467.40 and 3,470,257.62
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Solution
The fourth proportional to 5,429,233.70, 7,490,467.40 and 3,470,257.62 is: 4,787,756.99
Step by Step Solution
- Step 1: Write the proportion equation
5,429,233.70 : 7,490,467.40 = 3,470,257.62 : x - Step 2: Convert to fraction form
5,429,233.70/7,490,467.40 = 3,470,257.62/x - Step 3: Cross multiply
5,429,233.70x = 7,490,467.40 × 3,470,257.62 - Step 4: Simplify right side
5,429,233.70x = 25,993,851,572,211.59 - Step 5: Solve for x
x = 25,993,851,572,211.59/5,429,233.70 - Step 6: Final answer
x = 4,787,756.99
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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.