Finding the Fourth Proportional to 2,178,134.68, 3,265,069.02 and 1,219,058.68
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Solution
The fourth proportional to 2,178,134.68, 3,265,069.02 and 1,219,058.68 is: 1,827,394.22
Step by Step Solution
- Step 1: Write the proportion equation
2,178,134.68 : 3,265,069.02 = 1,219,058.68 : x - Step 2: Convert to fraction form
2,178,134.68/3,265,069.02 = 1,219,058.68/x - Step 3: Cross multiply
2,178,134.68x = 3,265,069.02 × 1,219,058.68 - Step 4: Simplify right side
2,178,134.68x = 3,980,310,729,630.09 - Step 5: Solve for x
x = 3,980,310,729,630.09/2,178,134.68 - Step 6: Final answer
x = 1,827,394.22
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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.