Finding the Fourth Proportional to 4,971,415.10, 7,457,126.84 and 2,377,109.47
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Solution
The fourth proportional to 4,971,415.10, 7,457,126.84 and 2,377,109.47 is: 3,565,666.21
Step by Step Solution
- Step 1: Write the proportion equation
4,971,415.10 : 7,457,126.84 = 2,377,109.47 : x - Step 2: Convert to fraction form
4,971,415.10/7,457,126.84 = 2,377,109.47/x - Step 3: Cross multiply
4,971,415.10x = 7,457,126.84 × 2,377,109.47 - Step 4: Simplify right side
4,971,415.10x = 17,726,406,830,355.18 - Step 5: Solve for x
x = 17,726,406,830,355.18/4,971,415.10 - Step 6: Final answer
x = 3,565,666.21
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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.