Finding the Fourth Proportional to 4,121,948.49, 5,688,179.16 and 2,379,559.08
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Solution
The fourth proportional to 4,121,948.49, 5,688,179.16 and 2,379,559.08 is: 3,283,728.17
Step by Step Solution
- Step 1: Write the proportion equation
4,121,948.49 : 5,688,179.16 = 2,379,559.08 : x - Step 2: Convert to fraction form
4,121,948.49/5,688,179.16 = 2,379,559.08/x - Step 3: Cross multiply
4,121,948.49x = 5,688,179.16 × 2,379,559.08 - Step 4: Simplify right side
4,121,948.49x = 13,535,358,368,844.77 - Step 5: Solve for x
x = 13,535,358,368,844.77/4,121,948.49 - Step 6: Final answer
x = 3,283,728.17
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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.