Finding the Fourth Proportional to 4,990,969.52, 6,887,558.64 and 2,699,130.22
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Solution
The fourth proportional to 4,990,969.52, 6,887,558.64 and 2,699,130.22 is: 3,724,810.90
Step by Step Solution
- Step 1: Write the proportion equation
4,990,969.52 : 6,887,558.64 = 2,699,130.22 : x - Step 2: Convert to fraction form
4,990,969.52/6,887,558.64 = 2,699,130.22/x - Step 3: Cross multiply
4,990,969.52x = 6,887,558.64 × 2,699,130.22 - Step 4: Simplify right side
4,990,969.52x = 18,590,417,667,246.10 - Step 5: Solve for x
x = 18,590,417,667,246.10/4,990,969.52 - Step 6: Final answer
x = 3,724,810.90
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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.