Finding the Fourth Proportional to 1,893,976.05, 2,613,038.61 and 1,077,975.36
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Solution
The fourth proportional to 1,893,976.05, 2,613,038.61 and 1,077,975.36 is: 1,487,236.99
Step by Step Solution
- Step 1: Write the proportion equation
1,893,976.05 : 2,613,038.61 = 1,077,975.36 : x - Step 2: Convert to fraction form
1,893,976.05/2,613,038.61 = 1,077,975.36/x - Step 3: Cross multiply
1,893,976.05x = 2,613,038.61 × 1,077,975.36 - Step 4: Simplify right side
1,893,976.05x = 2,816,791,236,308.65 - Step 5: Solve for x
x = 2,816,791,236,308.65/1,893,976.05 - Step 6: Final answer
x = 1,487,236.99
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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.