Finding the Fourth Proportional to 1,980,134.40, 2,970,201.60 and 1,696,699.20
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Solution
The fourth proportional to 1,980,134.40, 2,970,201.60 and 1,696,699.20 is: 2,545,048.80
Step by Step Solution
- Step 1: Write the proportion equation
1,980,134.40 : 2,970,201.60 = 1,696,699.20 : x - Step 2: Convert to fraction form
1,980,134.40/2,970,201.60 = 1,696,699.20/x - Step 3: Cross multiply
1,980,134.40x = 2,970,201.60 × 1,696,699.20 - Step 4: Simplify right side
1,980,134.40x = 5,039,538,678,558.72 - Step 5: Solve for x
x = 5,039,538,678,558.72/1,980,134.40 - Step 6: Final answer
x = 2,545,048.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.