Finding the Fourth Proportional to 5,106,714.76, 7,047,224.17 and 2,783,565.05
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Solution
The fourth proportional to 5,106,714.76, 7,047,224.17 and 2,783,565.05 is: 3,841,296.77
Step by Step Solution
- Step 1: Write the proportion equation
5,106,714.76 : 7,047,224.17 = 2,783,565.05 : x - Step 2: Convert to fraction form
5,106,714.76/7,047,224.17 = 2,783,565.05/x - Step 3: Cross multiply
5,106,714.76x = 7,047,224.17 × 2,783,565.05 - Step 4: Simplify right side
5,106,714.76x = 19,616,406,896,572.86 - Step 5: Solve for x
x = 19,616,406,896,572.86/5,106,714.76 - Step 6: Final answer
x = 3,841,296.77
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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.