Finding the Fourth Proportional to 5,102,440.98, 7,041,368.93 and 2,810,601.66
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Solution
The fourth proportional to 5,102,440.98, 7,041,368.93 and 2,810,601.66 is: 3,878,630.50
Step by Step Solution
- Step 1: Write the proportion equation
5,102,440.98 : 7,041,368.93 = 2,810,601.66 : x - Step 2: Convert to fraction form
5,102,440.98/7,041,368.93 = 2,810,601.66/x - Step 3: Cross multiply
5,102,440.98x = 7,041,368.93 × 2,810,601.66 - Step 4: Simplify right side
5,102,440.98x = 19,790,483,210,394.09 - Step 5: Solve for x
x = 19,790,483,210,394.09/5,102,440.98 - Step 6: Final answer
x = 3,878,630.50
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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.