Finding the Fourth Proportional to 4,964,686.70, 7,448,230.58 and 1,725,756.78
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Solution
The fourth proportional to 4,964,686.70, 7,448,230.58 and 1,725,756.78 is: 2,589,052.48
Step by Step Solution
- Step 1: Write the proportion equation
4,964,686.70 : 7,448,230.58 = 1,725,756.78 : x - Step 2: Convert to fraction form
4,964,686.70/7,448,230.58 = 1,725,756.78/x - Step 3: Cross multiply
4,964,686.70x = 7,448,230.58 × 1,725,756.78 - Step 4: Simplify right side
4,964,686.70x = 12,853,834,413,809.55 - Step 5: Solve for x
x = 12,853,834,413,809.55/4,964,686.70 - Step 6: Final answer
x = 2,589,052.48
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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.