Finding the Fourth Proportional to 3,900,283.70, 5,850,425.55 and 3,402,619.70
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Solution
The fourth proportional to 3,900,283.70, 5,850,425.55 and 3,402,619.70 is: 5,103,929.55
Step by Step Solution
- Step 1: Write the proportion equation
3,900,283.70 : 5,850,425.55 = 3,402,619.70 : x - Step 2: Convert to fraction form
3,900,283.70/5,850,425.55 = 3,402,619.70/x - Step 3: Cross multiply
3,900,283.70x = 5,850,425.55 × 3,402,619.70 - Step 4: Simplify right side
3,900,283.70x = 19,906,773,229,813.34 - Step 5: Solve for x
x = 19,906,773,229,813.34/3,900,283.70 - Step 6: Final answer
x = 5,103,929.55
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1.5x scale
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.