Finding the Fourth Proportional to 6,427,714.80, 9,622,909.80 and 6,241,090.80
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Solution
The fourth proportional to 6,427,714.80, 9,622,909.80 and 6,241,090.80 is: 9,343,515.65
Step by Step Solution
- Step 1: Write the proportion equation
6,427,714.80 : 9,622,909.80 = 6,241,090.80 : x - Step 2: Convert to fraction form
6,427,714.80/9,622,909.80 = 6,241,090.80/x - Step 3: Cross multiply
6,427,714.80x = 9,622,909.80 × 6,241,090.80 - Step 4: Simplify right side
6,427,714.80x = 60,057,453,822,009.84 - Step 5: Solve for x
x = 60,057,453,822,009.84/6,427,714.80 - Step 6: Final answer
x = 9,343,515.65
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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.