Finding the Fourth Proportional to 5,177,746.16, 7,766,615.14 and 1,391,229.04
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Solution
The fourth proportional to 5,177,746.16, 7,766,615.14 and 1,391,229.04 is: 2,086,842.45
Step by Step Solution
- Step 1: Write the proportion equation
5,177,746.16 : 7,766,615.14 = 1,391,229.04 : x - Step 2: Convert to fraction form
5,177,746.16/7,766,615.14 = 1,391,229.04/x - Step 3: Cross multiply
5,177,746.16x = 7,766,615.14 × 1,391,229.04 - Step 4: Simplify right side
5,177,746.16x = 10,805,140,507,594.17 - Step 5: Solve for x
x = 10,805,140,507,594.17/5,177,746.16 - Step 6: Final answer
x = 2,086,842.45
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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.