Finding the Fourth Proportional to 7,390,914.80, 11,088,445.80 and 3,604,521.20
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Solution
The fourth proportional to 7,390,914.80, 11,088,445.80 and 3,604,521.20 is: 5,407,793.09
Step by Step Solution
- Step 1: Write the proportion equation
7,390,914.80 : 11,088,445.80 = 3,604,521.20 : x - Step 2: Convert to fraction form
7,390,914.80/11,088,445.80 = 3,604,521.20/x - Step 3: Cross multiply
7,390,914.80x = 11,088,445.80 × 3,604,521.20 - Step 4: Simplify right side
7,390,914.80x = 39,968,537,961,150.96 - Step 5: Solve for x
x = 39,968,537,961,150.96/7,390,914.80 - Step 6: Final answer
x = 5,407,793.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.