Finding the Fourth Proportional to 7,068,135.48, 10,592,394.34 and 3,220,554.92
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Solution
The fourth proportional to 7,068,135.48, 10,592,394.34 and 3,220,554.92 is: 4,826,363.02
Step by Step Solution
- Step 1: Write the proportion equation
7,068,135.48 : 10,592,394.34 = 3,220,554.92 : x - Step 2: Convert to fraction form
7,068,135.48/10,592,394.34 = 3,220,554.92/x - Step 3: Cross multiply
7,068,135.48x = 10,592,394.34 × 3,220,554.92 - Step 4: Simplify right side
7,068,135.48x = 34,113,387,706,267.15 - Step 5: Solve for x
x = 34,113,387,706,267.15/7,068,135.48 - Step 6: Final answer
x = 4,826,363.02
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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.