Finding the Fourth Proportional to 6,283,574.16, 8,671,446.99 and 3,492,959.46
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Solution
The fourth proportional to 6,283,574.16, 8,671,446.99 and 3,492,959.46 is: 4,820,347.79
Step by Step Solution
- Step 1: Write the proportion equation
6,283,574.16 : 8,671,446.99 = 3,492,959.46 : x - Step 2: Convert to fraction form
6,283,574.16/8,671,446.99 = 3,492,959.46/x - Step 3: Cross multiply
6,283,574.16x = 8,671,446.99 × 3,492,959.46 - Step 4: Simplify right side
6,283,574.16x = 30,289,012,795,609.03 - Step 5: Solve for x
x = 30,289,012,795,609.03/6,283,574.16 - Step 6: Final answer
x = 4,820,347.79
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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.