Finding the Fourth Proportional to 2,056,785.12, 2,838,527.28 and 1,515,394.08
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Solution
The fourth proportional to 2,056,785.12, 2,838,527.28 and 1,515,394.08 is: 2,091,364.53
Step by Step Solution
- Step 1: Write the proportion equation
2,056,785.12 : 2,838,527.28 = 1,515,394.08 : x - Step 2: Convert to fraction form
2,056,785.12/2,838,527.28 = 1,515,394.08/x - Step 3: Cross multiply
2,056,785.12x = 2,838,527.28 × 1,515,394.08 - Step 4: Simplify right side
2,056,785.12x = 4,301,487,436,030.50 - Step 5: Solve for x
x = 4,301,487,436,030.50/2,056,785.12 - Step 6: Final answer
x = 2,091,364.53
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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.