Finding the Fourth Proportional to 5,101,220.16, 7,039,598.76 and 2,809,594.08
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Solution
The fourth proportional to 5,101,220.16, 7,039,598.76 and 2,809,594.08 is: 3,877,192.98
Step by Step Solution
- Step 1: Write the proportion equation
5,101,220.16 : 7,039,598.76 = 2,809,594.08 : x - Step 2: Convert to fraction form
5,101,220.16/7,039,598.76 = 2,809,594.08/x - Step 3: Cross multiply
5,101,220.16x = 7,039,598.76 × 2,809,594.08 - Step 4: Simplify right side
5,101,220.16x = 19,778,415,001,671.34 - Step 5: Solve for x
x = 19,778,415,001,671.34/5,101,220.16 - Step 6: Final answer
x = 3,877,192.98
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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.