Finding the Fourth Proportional to 4,752,110.70, 7,128,166.05 and 2,925,528.30
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Solution
The fourth proportional to 4,752,110.70, 7,128,166.05 and 2,925,528.30 is: 4,388,292.45
Step by Step Solution
- Step 1: Write the proportion equation
4,752,110.70 : 7,128,166.05 = 2,925,528.30 : x - Step 2: Convert to fraction form
4,752,110.70/7,128,166.05 = 2,925,528.30/x - Step 3: Cross multiply
4,752,110.70x = 7,128,166.05 × 2,925,528.30 - Step 4: Simplify right side
4,752,110.70x = 20,853,651,506,374.21 - Step 5: Solve for x
x = 20,853,651,506,374.21/4,752,110.70 - Step 6: Final answer
x = 4,388,292.45
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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.