Finding the Fourth Proportional to 4,655,617.12, 6,985,131.54 and 1,960,620.76
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Solution
The fourth proportional to 4,655,617.12, 6,985,131.54 and 1,960,620.76 is: 2,941,649.53
Step by Step Solution
- Step 1: Write the proportion equation
4,655,617.12 : 6,985,131.54 = 1,960,620.76 : x - Step 2: Convert to fraction form
4,655,617.12/6,985,131.54 = 1,960,620.76/x - Step 3: Cross multiply
4,655,617.12x = 6,985,131.54 × 1,960,620.76 - Step 4: Simplify right side
4,655,617.12x = 13,695,193,908,654.77 - Step 5: Solve for x
x = 13,695,193,908,654.77/4,655,617.12 - Step 6: Final answer
x = 2,941,649.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.