Finding the Fourth Proportional to 2,926,047.78, 4,037,951.84 and 1,636,909.70
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Solution
The fourth proportional to 2,926,047.78, 4,037,951.84 and 1,636,909.70 is: 2,258,938.69
Step by Step Solution
- Step 1: Write the proportion equation
2,926,047.78 : 4,037,951.84 = 1,636,909.70 : x - Step 2: Convert to fraction form
2,926,047.78/4,037,951.84 = 1,636,909.70/x - Step 3: Cross multiply
2,926,047.78x = 4,037,951.84 × 1,636,909.70 - Step 4: Simplify right side
2,926,047.78x = 6,609,762,535,028.85 - Step 5: Solve for x
x = 6,609,762,535,028.85/2,926,047.78 - Step 6: Final answer
x = 2,258,938.69
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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.