Finding the Fourth Proportional to 5,064,270.05, 6,988,692.91 and 2,772,430.74
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Solution
The fourth proportional to 5,064,270.05, 6,988,692.91 and 2,772,430.74 is: 3,825,954.55
Step by Step Solution
- Step 1: Write the proportion equation
5,064,270.05 : 6,988,692.91 = 2,772,430.74 : x - Step 2: Convert to fraction form
5,064,270.05/6,988,692.91 = 2,772,430.74/x - Step 3: Cross multiply
5,064,270.05x = 6,988,692.91 × 2,772,430.74 - Step 4: Simplify right side
5,064,270.05x = 19,375,667,054,371.29 - Step 5: Solve for x
x = 19,375,667,054,371.29/5,064,270.05 - Step 6: Final answer
x = 3,825,954.55
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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.