Finding the Fourth Proportional to 5,376,411.70, 8,064,617.55 and 1,387,323.70
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Solution
The fourth proportional to 5,376,411.70, 8,064,617.55 and 1,387,323.70 is: 2,080,985.55
Step by Step Solution
- Step 1: Write the proportion equation
5,376,411.70 : 8,064,617.55 = 1,387,323.70 : x - Step 2: Convert to fraction form
5,376,411.70/8,064,617.55 = 1,387,323.70/x - Step 3: Cross multiply
5,376,411.70x = 8,064,617.55 × 1,387,323.70 - Step 4: Simplify right side
5,376,411.70x = 11,188,235,058,550.93 - Step 5: Solve for x
x = 11,188,235,058,550.93/5,376,411.70 - Step 6: Final answer
x = 2,080,985.55
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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.