Finding the Fourth Proportional to 6,971,724.05, 10,457,565.17 and 1,854,149.63
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Solution
The fourth proportional to 6,971,724.05, 10,457,565.17 and 1,854,149.63 is: 2,781,218.88
Step by Step Solution
- Step 1: Write the proportion equation
6,971,724.05 : 10,457,565.17 = 1,854,149.63 : x - Step 2: Convert to fraction form
6,971,724.05/10,457,565.17 = 1,854,149.63/x - Step 3: Cross multiply
6,971,724.05x = 10,457,565.17 × 1,854,149.63 - Step 4: Simplify right side
6,971,724.05x = 19,389,890,529,097.81 - Step 5: Solve for x
x = 19,389,890,529,097.81/6,971,724.05 - Step 6: Final answer
x = 2,781,218.88
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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.