Finding the Fourth Proportional to 2,119,041.55, 2,925,359.19 and 1,434,331.96
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Solution
The fourth proportional to 2,119,041.55, 2,925,359.19 and 1,434,331.96 is: 1,980,110.39
Step by Step Solution
- Step 1: Write the proportion equation
2,119,041.55 : 2,925,359.19 = 1,434,331.96 : x - Step 2: Convert to fraction form
2,119,041.55/2,925,359.19 = 1,434,331.96/x - Step 3: Cross multiply
2,119,041.55x = 2,925,359.19 × 1,434,331.96 - Step 4: Simplify right side
2,119,041.55x = 4,195,936,180,696.71 - Step 5: Solve for x
x = 4,195,936,180,696.71/2,119,041.55 - Step 6: Final answer
x = 1,980,110.39
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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.