Finding the Fourth Proportional to 1,664,420.32, 2,296,877.36 and 929,385.93
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Solution
The fourth proportional to 1,664,420.32, 2,296,877.36 and 929,385.93 is: 1,282,539.92
Step by Step Solution
- Step 1: Write the proportion equation
1,664,420.32 : 2,296,877.36 = 929,385.93 : x - Step 2: Convert to fraction form
1,664,420.32/2,296,877.36 = 929,385.93/x - Step 3: Cross multiply
1,664,420.32x = 2,296,877.36 × 929,385.93 - Step 4: Simplify right side
1,664,420.32x = 2,134,685,496,672.62 - Step 5: Solve for x
x = 2,134,685,496,672.62/1,664,420.32 - Step 6: Final answer
x = 1,282,539.92
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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.