Finding the Fourth Proportional to 6,409,756.98, 8,845,466.64 and 3,509,332.08
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Solution
The fourth proportional to 6,409,756.98, 8,845,466.64 and 3,509,332.08 is: 4,842,879.37
Step by Step Solution
- Step 1: Write the proportion equation
6,409,756.98 : 8,845,466.64 = 3,509,332.08 : x - Step 2: Convert to fraction form
6,409,756.98/8,845,466.64 = 3,509,332.08/x - Step 3: Cross multiply
6,409,756.98x = 8,845,466.64 × 3,509,332.08 - Step 4: Simplify right side
6,409,756.98x = 31,041,679,842,321.81 - Step 5: Solve for x
x = 31,041,679,842,321.81/6,409,756.98 - Step 6: Final answer
x = 4,842,879.37
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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.