Finding the Fourth Proportional to 5,265,720.90, 7,898,581.35 and 4,415,415.30
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Solution
The fourth proportional to 5,265,720.90, 7,898,581.35 and 4,415,415.30 is: 6,623,122.95
Step by Step Solution
- Step 1: Write the proportion equation
5,265,720.90 : 7,898,581.35 = 4,415,415.30 : x - Step 2: Convert to fraction form
5,265,720.90/7,898,581.35 = 4,415,415.30/x - Step 3: Cross multiply
5,265,720.90x = 7,898,581.35 × 4,415,415.30 - Step 4: Simplify right side
5,265,720.90x = 34,875,516,941,084.65 - Step 5: Solve for x
x = 34,875,516,941,084.65/5,265,720.90 - Step 6: Final answer
x = 6,623,122.95
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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.