Finding the Fourth Proportional to 2,875,913.16, 3,968,772.84 and 1,586,752.80
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Solution
The fourth proportional to 2,875,913.16, 3,968,772.84 and 1,586,752.80 is: 2,189,725.86
Step by Step Solution
- Step 1: Write the proportion equation
2,875,913.16 : 3,968,772.84 = 1,586,752.80 : x - Step 2: Convert to fraction form
2,875,913.16/3,968,772.84 = 1,586,752.80/x - Step 3: Cross multiply
2,875,913.16x = 3,968,772.84 × 1,586,752.80 - Step 4: Simplify right side
2,875,913.16x = 6,297,461,416,433.95 - Step 5: Solve for x
x = 6,297,461,416,433.95/2,875,913.16 - Step 6: Final answer
x = 2,189,725.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.