Finding the Fourth Proportional to 5,035,854.60, 6,949,262.04 and 2,860,390.98
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Solution
The fourth proportional to 5,035,854.60, 6,949,262.04 and 2,860,390.98 is: 3,947,216.12
Step by Step Solution
- Step 1: Write the proportion equation
5,035,854.60 : 6,949,262.04 = 2,860,390.98 : x - Step 2: Convert to fraction form
5,035,854.60/6,949,262.04 = 2,860,390.98/x - Step 3: Cross multiply
5,035,854.60x = 6,949,262.04 × 2,860,390.98 - Step 4: Simplify right side
5,035,854.60x = 19,877,606,456,872.40 - Step 5: Solve for x
x = 19,877,606,456,872.40/5,035,854.60 - Step 6: Final answer
x = 3,947,216.12
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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.