Finding the Fourth Proportional to 5,697,795.60, 7,862,980.80 and 3,119,716.08
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Solution
The fourth proportional to 5,697,795.60, 7,862,980.80 and 3,119,716.08 is: 4,305,220.71
Step by Step Solution
- Step 1: Write the proportion equation
5,697,795.60 : 7,862,980.80 = 3,119,716.08 : x - Step 2: Convert to fraction form
5,697,795.60/7,862,980.80 = 3,119,716.08/x - Step 3: Cross multiply
5,697,795.60x = 7,862,980.80 × 3,119,716.08 - Step 4: Simplify right side
5,697,795.60x = 24,530,267,638,491.27 - Step 5: Solve for x
x = 24,530,267,638,491.27/5,697,795.60 - Step 6: Final answer
x = 4,305,220.71
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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.