Finding the Fourth Proportional to 6,558,777.23, 9,817,987.66 and 4,279,393.55
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Solution
The fourth proportional to 6,558,777.23, 9,817,987.66 and 4,279,393.55 is: 6,405,924.71
Step by Step Solution
- Step 1: Write the proportion equation
6,558,777.23 : 9,817,987.66 = 4,279,393.55 : x - Step 2: Convert to fraction form
6,558,777.23/9,817,987.66 = 4,279,393.55/x - Step 3: Cross multiply
6,558,777.23x = 9,817,987.66 × 4,279,393.55 - Step 4: Simplify right side
6,558,777.23x = 42,015,033,080,030.09 - Step 5: Solve for x
x = 42,015,033,080,030.09/6,558,777.23 - Step 6: Final answer
x = 6,405,924.71
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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.