Finding the Fourth Proportional to 2,087,376.84, 2,880,717.48 and 1,169,556.12
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Solution
The fourth proportional to 2,087,376.84, 2,880,717.48 and 1,169,556.12 is: 1,614,064.45
Step by Step Solution
- Step 1: Write the proportion equation
2,087,376.84 : 2,880,717.48 = 1,169,556.12 : x - Step 2: Convert to fraction form
2,087,376.84/2,880,717.48 = 1,169,556.12/x - Step 3: Cross multiply
2,087,376.84x = 2,880,717.48 × 1,169,556.12 - Step 4: Simplify right side
2,087,376.84x = 3,369,160,758,724.98 - Step 5: Solve for x
x = 3,369,160,758,724.98/2,087,376.84 - Step 6: Final answer
x = 1,614,064.45
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1.5x scale
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.