Finding the Fourth Proportional to 5,153,225.38, 7,112,326.16 and 2,979,029.05
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Solution
The fourth proportional to 5,153,225.38, 7,112,326.16 and 2,979,029.05 is: 4,111,566.00
Step by Step Solution
- Step 1: Write the proportion equation
5,153,225.38 : 7,112,326.16 = 2,979,029.05 : x - Step 2: Convert to fraction form
5,153,225.38/7,112,326.16 = 2,979,029.05/x - Step 3: Cross multiply
5,153,225.38x = 7,112,326.16 × 2,979,029.05 - Step 4: Simplify right side
5,153,225.38x = 21,187,826,243,714.95 - Step 5: Solve for x
x = 21,187,826,243,714.95/5,153,225.38 - Step 6: Final answer
x = 4,111,566.00
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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.