Finding the Fourth Proportional to 6,688,053.14, 9,230,082.57 and 3,787,959.92
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Solution
The fourth proportional to 6,688,053.14, 9,230,082.57 and 3,787,959.92 is: 5,227,707.09
Step by Step Solution
- Step 1: Write the proportion equation
6,688,053.14 : 9,230,082.57 = 3,787,959.92 : x - Step 2: Convert to fraction form
6,688,053.14/9,230,082.57 = 3,787,959.92/x - Step 3: Cross multiply
6,688,053.14x = 9,230,082.57 × 3,787,959.92 - Step 4: Simplify right side
6,688,053.14x = 34,963,182,814,510.79 - Step 5: Solve for x
x = 34,963,182,814,510.79/6,688,053.14 - Step 6: Final answer
x = 5,227,707.09
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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.