Finding the Fourth Proportional to 6,663,738.48, 9,995,607.74 and 1,615,048.96
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Solution
The fourth proportional to 6,663,738.48, 9,995,607.74 and 1,615,048.96 is: 2,422,573.44
Step by Step Solution
- Step 1: Write the proportion equation
6,663,738.48 : 9,995,607.74 = 1,615,048.96 : x - Step 2: Convert to fraction form
6,663,738.48/9,995,607.74 = 1,615,048.96/x - Step 3: Cross multiply
6,663,738.48x = 9,995,607.74 × 1,615,048.96 - Step 4: Simplify right side
6,663,738.48x = 16,143,395,885,054.95 - Step 5: Solve for x
x = 16,143,395,885,054.95/6,663,738.48 - Step 6: Final answer
x = 2,422,573.44
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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.