Finding the Fourth Proportional to 1,909,658.46, 2,635,276.05 and 1,050,218.70
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Solution
The fourth proportional to 1,909,658.46, 2,635,276.05 and 1,050,218.70 is: 1,449,272.86
Step by Step Solution
- Step 1: Write the proportion equation
1,909,658.46 : 2,635,276.05 = 1,050,218.70 : x - Step 2: Convert to fraction form
1,909,658.46/2,635,276.05 = 1,050,218.70/x - Step 3: Cross multiply
1,909,658.46x = 2,635,276.05 × 1,050,218.70 - Step 4: Simplify right side
1,909,658.46x = 2,767,616,187,372.13 - Step 5: Solve for x
x = 2,767,616,187,372.13/1,909,658.46 - Step 6: Final answer
x = 1,449,272.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.