Finding the Fourth Proportional to 3,160,731.05, 4,361,808.84 and 1,710,426.48
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Solution
The fourth proportional to 3,160,731.05, 4,361,808.84 and 1,710,426.48 is: 2,360,388.54
Step by Step Solution
- Step 1: Write the proportion equation
3,160,731.05 : 4,361,808.84 = 1,710,426.48 : x - Step 2: Convert to fraction form
3,160,731.05/4,361,808.84 = 1,710,426.48/x - Step 3: Cross multiply
3,160,731.05x = 4,361,808.84 × 1,710,426.48 - Step 4: Simplify right side
3,160,731.05x = 7,460,553,332,081.95 - Step 5: Solve for x
x = 7,460,553,332,081.95/3,160,731.05 - Step 6: Final answer
x = 2,360,388.54
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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.