Finding the Fourth Proportional to 4,986,568.40, 6,881,167.75 and 2,893,248.68
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Solution
The fourth proportional to 4,986,568.40, 6,881,167.75 and 2,893,248.68 is: 3,992,511.06
Step by Step Solution
- Step 1: Write the proportion equation
4,986,568.40 : 6,881,167.75 = 2,893,248.68 : x - Step 2: Convert to fraction form
4,986,568.40/6,881,167.75 = 2,893,248.68/x - Step 3: Cross multiply
4,986,568.40x = 6,881,167.75 × 2,893,248.68 - Step 4: Simplify right side
4,986,568.40x = 19,908,929,495,079.83 - Step 5: Solve for x
x = 19,908,929,495,079.83/4,986,568.40 - Step 6: Final answer
x = 3,992,511.06
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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.