Finding the Fourth Proportional to 2,768,843.90, 4,148,794.65 and 1,567,192.70
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Solution
The fourth proportional to 2,768,843.90, 4,148,794.65 and 1,567,192.70 is: 2,348,258.31
Step by Step Solution
- Step 1: Write the proportion equation
2,768,843.90 : 4,148,794.65 = 1,567,192.70 : x - Step 2: Convert to fraction form
2,768,843.90/4,148,794.65 = 1,567,192.70/x - Step 3: Cross multiply
2,768,843.90x = 4,148,794.65 × 1,567,192.70 - Step 4: Simplify right side
2,768,843.90x = 6,501,960,689,279.06 - Step 5: Solve for x
x = 6,501,960,689,279.06/2,768,843.90 - Step 6: Final answer
x = 2,348,258.31
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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.