Finding the Fourth Proportional to 4,857,931.24, 6,704,536.18 and 2,820,740.68
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Solution
The fourth proportional to 4,857,931.24, 6,704,536.18 and 2,820,740.68 is: 3,892,965.34
Step by Step Solution
- Step 1: Write the proportion equation
4,857,931.24 : 6,704,536.18 = 2,820,740.68 : x - Step 2: Convert to fraction form
4,857,931.24/6,704,536.18 = 2,820,740.68/x - Step 3: Cross multiply
4,857,931.24x = 6,704,536.18 × 2,820,740.68 - Step 4: Simplify right side
4,857,931.24x = 18,911,757,943,457.80 - Step 5: Solve for x
x = 18,911,757,943,457.80/4,857,931.24 - Step 6: Final answer
x = 3,892,965.34
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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.