Finding the Fourth Proportional to 2,531,418.66, 3,493,345.05 and 1,369,864.08
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Solution
The fourth proportional to 2,531,418.66, 3,493,345.05 and 1,369,864.08 is: 1,890,405.56
Step by Step Solution
- Step 1: Write the proportion equation
2,531,418.66 : 3,493,345.05 = 1,369,864.08 : x - Step 2: Convert to fraction form
2,531,418.66/3,493,345.05 = 1,369,864.08/x - Step 3: Cross multiply
2,531,418.66x = 3,493,345.05 × 1,369,864.08 - Step 4: Simplify right side
2,531,418.66x = 4,785,407,903,040.80 - Step 5: Solve for x
x = 4,785,407,903,040.80/2,531,418.66 - Step 6: Final answer
x = 1,890,405.56
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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.