Finding the Fourth Proportional to 5,021,961.48, 6,930,848.88 and 2,846,271.12
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Solution
The fourth proportional to 5,021,961.48, 6,930,848.88 and 2,846,271.12 is: 3,928,161.35
Step by Step Solution
- Step 1: Write the proportion equation
5,021,961.48 : 6,930,848.88 = 2,846,271.12 : x - Step 2: Convert to fraction form
5,021,961.48/6,930,848.88 = 2,846,271.12/x - Step 3: Cross multiply
5,021,961.48x = 6,930,848.88 × 2,846,271.12 - Step 4: Simplify right side
5,021,961.48x = 19,727,075,004,228.35 - Step 5: Solve for x
x = 19,727,075,004,228.35/5,021,961.48 - Step 6: Final answer
x = 3,928,161.35
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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.