Finding the Fourth Proportional to 1,979,783.08, 2,732,102.40 and 1,074,365.08
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Solution
The fourth proportional to 1,979,783.08, 2,732,102.40 and 1,074,365.08 is: 1,482,624.76
Step by Step Solution
- Step 1: Write the proportion equation
1,979,783.08 : 2,732,102.40 = 1,074,365.08 : x - Step 2: Convert to fraction form
1,979,783.08/2,732,102.40 = 1,074,365.08/x - Step 3: Cross multiply
1,979,783.08x = 2,732,102.40 × 1,074,365.08 - Step 4: Simplify right side
1,979,783.08x = 2,935,275,413,544.19 - Step 5: Solve for x
x = 2,935,275,413,544.19/1,979,783.08 - Step 6: Final answer
x = 1,482,624.76
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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.