Finding the Fourth Proportional to 2,998,426.55, 4,137,926.51 and 1,640,299.55
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Solution
The fourth proportional to 2,998,426.55, 4,137,926.51 and 1,640,299.55 is: 2,263,666.92
Step by Step Solution
- Step 1: Write the proportion equation
2,998,426.55 : 4,137,926.51 = 1,640,299.55 : x - Step 2: Convert to fraction form
2,998,426.55/4,137,926.51 = 1,640,299.55/x - Step 3: Cross multiply
2,998,426.55x = 4,137,926.51 × 1,640,299.55 - Step 4: Simplify right side
2,998,426.55x = 6,787,438,975,697.19 - Step 5: Solve for x
x = 6,787,438,975,697.19/2,998,426.55 - Step 6: Final answer
x = 2,263,666.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.