Finding the Fourth Proportional to 4,643,138.91, 6,407,531.67 and 2,605,948.41
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Solution
The fourth proportional to 4,643,138.91, 6,407,531.67 and 2,605,948.41 is: 3,596,208.79
Step by Step Solution
- Step 1: Write the proportion equation
4,643,138.91 : 6,407,531.67 = 2,605,948.41 : x - Step 2: Convert to fraction form
4,643,138.91/6,407,531.67 = 2,605,948.41/x - Step 3: Cross multiply
4,643,138.91x = 6,407,531.67 × 2,605,948.41 - Step 4: Simplify right side
4,643,138.91x = 16,697,696,967,461.14 - Step 5: Solve for x
x = 16,697,696,967,461.14/4,643,138.91 - Step 6: Final answer
x = 3,596,208.79
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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.