Finding the Fourth Proportional to 6,153,779.20, 8,492,090.88 and 3,740,108.80
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Solution
The fourth proportional to 6,153,779.20, 8,492,090.88 and 3,740,108.80 is: 5,161,274.53
Step by Step Solution
- Step 1: Write the proportion equation
6,153,779.20 : 8,492,090.88 = 3,740,108.80 : x - Step 2: Convert to fraction form
6,153,779.20/8,492,090.88 = 3,740,108.80/x - Step 3: Cross multiply
6,153,779.20x = 8,492,090.88 × 3,740,108.80 - Step 4: Simplify right side
6,153,779.20x = 31,761,343,830,687.75 - Step 5: Solve for x
x = 31,761,343,830,687.75/6,153,779.20 - Step 6: Final answer
x = 5,161,274.53
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1.5x scale
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.