Finding the Fourth Proportional to 3,226,685.36, 4,452,802.08 and 1,776,406.28
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Solution
The fourth proportional to 3,226,685.36, 4,452,802.08 and 1,776,406.28 is: 2,451,427.61
Step by Step Solution
- Step 1: Write the proportion equation
3,226,685.36 : 4,452,802.08 = 1,776,406.28 : x - Step 2: Convert to fraction form
3,226,685.36/4,452,802.08 = 1,776,406.28/x - Step 3: Cross multiply
3,226,685.36x = 4,452,802.08 × 1,776,406.28 - Step 4: Simplify right side
3,226,685.36x = 7,909,985,578,509.06 - Step 5: Solve for x
x = 7,909,985,578,509.06/3,226,685.36 - Step 6: Final answer
x = 2,451,427.61
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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.