Finding the Fourth Proportional to 1,488,947.68, 2,232,332.68 and 477,493.91
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Solution
The fourth proportional to 1,488,947.68, 2,232,332.68 and 477,493.91 is: 715,891.68
Step by Step Solution
- Step 1: Write the proportion equation
1,488,947.68 : 2,232,332.68 = 477,493.91 : x - Step 2: Convert to fraction form
1,488,947.68/2,232,332.68 = 477,493.91/x - Step 3: Cross multiply
1,488,947.68x = 2,232,332.68 × 477,493.91 - Step 4: Simplify right side
1,488,947.68x = 1,065,925,259,793.98 - Step 5: Solve for x
x = 1,065,925,259,793.98/1,488,947.68 - Step 6: Final answer
x = 715,891.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.