Finding the Fourth Proportional to 4,430,545.67, 6,115,290.54 and 2,885,656.97
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Solution
The fourth proportional to 4,430,545.67, 6,115,290.54 and 2,885,656.97 is: 3,982,947.49
Step by Step Solution
- Step 1: Write the proportion equation
4,430,545.67 : 6,115,290.54 = 2,885,656.97 : x - Step 2: Convert to fraction form
4,430,545.67/6,115,290.54 = 2,885,656.97/x - Step 3: Cross multiply
4,430,545.67x = 6,115,290.54 × 2,885,656.97 - Step 4: Simplify right side
4,430,545.67x = 17,646,630,770,326.07 - Step 5: Solve for x
x = 17,646,630,770,326.07/4,430,545.67 - Step 6: Final answer
x = 3,982,947.49
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1.5x scale
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.