Finding the Fourth Proportional to 2,127,267.75, 3,190,929.41 and 707,323.83
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Solution
The fourth proportional to 2,127,267.75, 3,190,929.41 and 707,323.83 is: 1,060,994.98
Step by Step Solution
- Step 1: Write the proportion equation
2,127,267.75 : 3,190,929.41 = 707,323.83 : x - Step 2: Convert to fraction form
2,127,267.75/3,190,929.41 = 707,323.83/x - Step 3: Cross multiply
2,127,267.75x = 3,190,929.41 × 707,323.83 - Step 4: Simplify right side
2,127,267.75x = 2,257,020,408,004.22 - Step 5: Solve for x
x = 2,257,020,408,004.22/2,127,267.75 - Step 6: Final answer
x = 1,060,994.98
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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.