Finding the Fourth Proportional to 4,990,712.96, 6,887,068.80 and 2,953,556.48
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Solution
The fourth proportional to 4,990,712.96, 6,887,068.80 and 2,953,556.48 is: 4,075,839.83
Step by Step Solution
- Step 1: Write the proportion equation
4,990,712.96 : 6,887,068.80 = 2,953,556.48 : x - Step 2: Convert to fraction form
4,990,712.96/6,887,068.80 = 2,953,556.48/x - Step 3: Cross multiply
4,990,712.96x = 6,887,068.80 × 2,953,556.48 - Step 4: Simplify right side
4,990,712.96x = 20,341,346,682,445.82 - Step 5: Solve for x
x = 20,341,346,682,445.82/4,990,712.96 - Step 6: Final answer
x = 4,075,839.83
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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.