Finding the Fourth Proportional to 4,893,689.98, 7,340,608.80 and 1,698,917.68
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Solution
The fourth proportional to 4,893,689.98, 7,340,608.80 and 1,698,917.68 is: 2,548,402.15
Step by Step Solution
- Step 1: Write the proportion equation
4,893,689.98 : 7,340,608.80 = 1,698,917.68 : x - Step 2: Convert to fraction form
4,893,689.98/7,340,608.80 = 1,698,917.68/x - Step 3: Cross multiply
4,893,689.98x = 7,340,608.80 × 1,698,917.68 - Step 4: Simplify right side
4,893,689.98x = 12,471,090,072,283.58 - Step 5: Solve for x
x = 12,471,090,072,283.58/4,893,689.98 - Step 6: Final answer
x = 2,548,402.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.