Finding the Fourth Proportional to 2,869,678.41, 3,960,335.97 and 1,580,518.50
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Solution
The fourth proportional to 2,869,678.41, 3,960,335.97 and 1,580,518.50 is: 2,181,214.54
Step by Step Solution
- Step 1: Write the proportion equation
2,869,678.41 : 3,960,335.97 = 1,580,518.50 : x - Step 2: Convert to fraction form
2,869,678.41/3,960,335.97 = 1,580,518.50/x - Step 3: Cross multiply
2,869,678.41x = 3,960,335.97 × 1,580,518.50 - Step 4: Simplify right side
2,869,678.41x = 6,259,384,266,800.45 - Step 5: Solve for x
x = 6,259,384,266,800.45/2,869,678.41 - Step 6: Final answer
x = 2,181,214.54
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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.