Finding the Fourth Proportional to 7,122,160.58, 9,828,567.84 and 3,859,063.62
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Solution
The fourth proportional to 7,122,160.58, 9,828,567.84 and 3,859,063.62 is: 5,325,500.34
Step by Step Solution
- Step 1: Write the proportion equation
7,122,160.58 : 9,828,567.84 = 3,859,063.62 : x - Step 2: Convert to fraction form
7,122,160.58/9,828,567.84 = 3,859,063.62/x - Step 3: Cross multiply
7,122,160.58x = 9,828,567.84 × 3,859,063.62 - Step 4: Simplify right side
7,122,160.58x = 37,929,068,588,045.98 - Step 5: Solve for x
x = 37,929,068,588,045.98/7,122,160.58 - Step 6: Final answer
x = 5,325,500.34
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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.