Finding the Fourth Proportional to 5,926,155.09, 8,178,094.29 and 3,209,901.09
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Solution
The fourth proportional to 5,926,155.09, 8,178,094.29 and 3,209,901.09 is: 4,429,663.65
Step by Step Solution
- Step 1: Write the proportion equation
5,926,155.09 : 8,178,094.29 = 3,209,901.09 : x - Step 2: Convert to fraction form
5,926,155.09/8,178,094.29 = 3,209,901.09/x - Step 3: Cross multiply
5,926,155.09x = 8,178,094.29 × 3,209,901.09 - Step 4: Simplify right side
5,926,155.09x = 26,250,873,775,593.77 - Step 5: Solve for x
x = 26,250,873,775,593.77/5,926,155.09 - Step 6: Final answer
x = 4,429,663.65
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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.