Finding the Fourth Proportional to 2,058,424.84, 2,840,775.87 and 1,242,826.93
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Solution
The fourth proportional to 2,058,424.84, 2,840,775.87 and 1,242,826.93 is: 1,715,191.48
Step by Step Solution
- Step 1: Write the proportion equation
2,058,424.84 : 2,840,775.87 = 1,242,826.93 : x - Step 2: Convert to fraction form
2,058,424.84/2,840,775.87 = 1,242,826.93/x - Step 3: Cross multiply
2,058,424.84x = 2,840,775.87 × 1,242,826.93 - Step 4: Simplify right side
2,058,424.84x = 3,530,592,753,330.18 - Step 5: Solve for x
x = 3,530,592,753,330.18/2,058,424.84 - Step 6: Final answer
x = 1,715,191.48
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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.