Finding the Fourth Proportional to 2,814,878.05, 3,884,489.73 and 1,591,140.71
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Solution
The fourth proportional to 2,814,878.05, 3,884,489.73 and 1,591,140.71 is: 2,195,750.46
Step by Step Solution
- Step 1: Write the proportion equation
2,814,878.05 : 3,884,489.73 = 1,591,140.71 : x - Step 2: Convert to fraction form
2,814,878.05/3,884,489.73 = 1,591,140.71/x - Step 3: Cross multiply
2,814,878.05x = 3,884,489.73 × 1,591,140.71 - Step 4: Simplify right side
2,814,878.05x = 6,180,769,756,691.13 - Step 5: Solve for x
x = 6,180,769,756,691.13/2,814,878.05 - Step 6: Final answer
x = 2,195,750.46
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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.