Finding the Fourth Proportional to 5,376,203.70, 8,064,305.55 and 1,387,115.70
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Solution
The fourth proportional to 5,376,203.70, 8,064,305.55 and 1,387,115.70 is: 2,080,673.55
Step by Step Solution
- Step 1: Write the proportion equation
5,376,203.70 : 8,064,305.55 = 1,387,115.70 : x - Step 2: Convert to fraction form
5,376,203.70/8,064,305.55 = 1,387,115.70/x - Step 3: Cross multiply
5,376,203.70x = 8,064,305.55 × 1,387,115.70 - Step 4: Simplify right side
5,376,203.70x = 11,186,124,838,002.13 - Step 5: Solve for x
x = 11,186,124,838,002.13/5,376,203.70 - Step 6: Final answer
x = 2,080,673.55
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1.5x scale
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.