Finding the Fourth Proportional to 1,909,706.37, 2,635,342.20 and 1,050,266.94
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Solution
The fourth proportional to 1,909,706.37, 2,635,342.20 and 1,050,266.94 is: 1,449,339.45
Step by Step Solution
- Step 1: Write the proportion equation
1,909,706.37 : 2,635,342.20 = 1,050,266.94 : x - Step 2: Convert to fraction form
1,909,706.37/2,635,342.20 = 1,050,266.94/x - Step 3: Cross multiply
1,909,706.37x = 2,635,342.20 × 1,050,266.94 - Step 4: Simplify right side
1,909,706.37x = 2,767,812,788,246.87 - Step 5: Solve for x
x = 2,767,812,788,246.87/1,909,706.37 - Step 6: Final answer
x = 1,449,339.45
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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.