Finding the Fourth Proportional to 4,425,320.74, 6,638,442.44 and 1,692,862.83
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Solution
The fourth proportional to 4,425,320.74, 6,638,442.44 and 1,692,862.83 is: 2,539,470.72
Step by Step Solution
- Step 1: Write the proportion equation
4,425,320.74 : 6,638,442.44 = 1,692,862.83 : x - Step 2: Convert to fraction form
4,425,320.74/6,638,442.44 = 1,692,862.83/x - Step 3: Cross multiply
4,425,320.74x = 6,638,442.44 × 1,692,862.83 - Step 4: Simplify right side
4,425,320.74x = 11,237,972,455,770.51 - Step 5: Solve for x
x = 11,237,972,455,770.51/4,425,320.74 - Step 6: Final answer
x = 2,539,470.72
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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.