Finding the Fourth Proportional to 4,359,011.81, 6,538,763.61 and 1,326,476.48
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Solution
The fourth proportional to 4,359,011.81, 6,538,763.61 and 1,326,476.48 is: 1,989,789.54
Step by Step Solution
- Step 1: Write the proportion equation
4,359,011.81 : 6,538,763.61 = 1,326,476.48 : x - Step 2: Convert to fraction form
4,359,011.81/6,538,763.61 = 1,326,476.48/x - Step 3: Cross multiply
4,359,011.81x = 6,538,763.61 × 1,326,476.48 - Step 4: Simplify right side
4,359,011.81x = 8,673,516,104,251.08 - Step 5: Solve for x
x = 8,673,516,104,251.08/4,359,011.81 - Step 6: Final answer
x = 1,989,789.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.