Finding the Fourth Proportional to 5,779,783.17, 7,976,101.32 and 3,201,630.93
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Solution
The fourth proportional to 5,779,783.17, 7,976,101.32 and 3,201,630.93 is: 4,418,250.99
Step by Step Solution
- Step 1: Write the proportion equation
5,779,783.17 : 7,976,101.32 = 3,201,630.93 : x - Step 2: Convert to fraction form
5,779,783.17/7,976,101.32 = 3,201,630.93/x - Step 3: Cross multiply
5,779,783.17x = 7,976,101.32 × 3,201,630.93 - Step 4: Simplify right side
5,779,783.17x = 25,536,532,686,925.83 - Step 5: Solve for x
x = 25,536,532,686,925.83/5,779,783.17 - Step 6: Final answer
x = 4,418,250.99
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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.