Finding the Fourth Proportional to 3,655,965.99, 5,050,488.37 and 2,919,953.93
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Solution
The fourth proportional to 3,655,965.99, 5,050,488.37 and 2,919,953.93 is: 4,033,733.74
Step by Step Solution
- Step 1: Write the proportion equation
3,655,965.99 : 5,050,488.37 = 2,919,953.93 : x - Step 2: Convert to fraction form
3,655,965.99/5,050,488.37 = 2,919,953.93/x - Step 3: Cross multiply
3,655,965.99x = 5,050,488.37 × 2,919,953.93 - Step 4: Simplify right side
3,655,965.99x = 14,747,193,364,400.79 - Step 5: Solve for x
x = 14,747,193,364,400.79/3,655,965.99 - Step 6: Final answer
x = 4,033,733.74
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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.