Finding the Fourth Proportional to 1,578,070.11, 2,177,693.19 and 889,736.07
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Solution
The fourth proportional to 1,578,070.11, 2,177,693.19 and 889,736.07 is: 1,227,811.22
Step by Step Solution
- Step 1: Write the proportion equation
1,578,070.11 : 2,177,693.19 = 889,736.07 : x - Step 2: Convert to fraction form
1,578,070.11/2,177,693.19 = 889,736.07/x - Step 3: Cross multiply
1,578,070.11x = 2,177,693.19 × 889,736.07 - Step 4: Simplify right side
1,578,070.11x = 1,937,572,180,536.36 - Step 5: Solve for x
x = 1,937,572,180,536.36/1,578,070.11 - Step 6: Final answer
x = 1,227,811.22
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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.