Finding the Fourth Proportional to 2,750,721.70, 4,118,209.35 and 2,435,793.70
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Solution
The fourth proportional to 2,750,721.70, 4,118,209.35 and 2,435,793.70 is: 3,646,718.75
Step by Step Solution
- Step 1: Write the proportion equation
2,750,721.70 : 4,118,209.35 = 2,435,793.70 : x - Step 2: Convert to fraction form
2,750,721.70/4,118,209.35 = 2,435,793.70/x - Step 3: Cross multiply
2,750,721.70x = 4,118,209.35 × 2,435,793.70 - Step 4: Simplify right side
2,750,721.70x = 10,031,108,390,011.10 - Step 5: Solve for x
x = 10,031,108,390,011.10/2,750,721.70 - Step 6: Final answer
x = 3,646,718.75
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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.