Finding the Fourth Proportional to 5,095,798.70, 7,031,991.36 and 2,772,700.78
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Solution
The fourth proportional to 5,095,798.70, 7,031,991.36 and 2,772,700.78 is: 3,826,212.35
Step by Step Solution
- Step 1: Write the proportion equation
5,095,798.70 : 7,031,991.36 = 2,772,700.78 : x - Step 2: Convert to fraction form
5,095,798.70/7,031,991.36 = 2,772,700.78/x - Step 3: Cross multiply
5,095,798.70x = 7,031,991.36 × 2,772,700.78 - Step 4: Simplify right side
5,095,798.70x = 19,497,607,928,825.26 - Step 5: Solve for x
x = 19,497,607,928,825.26/5,095,798.70 - Step 6: Final answer
x = 3,826,212.35
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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.