Finding the Fourth Proportional to 3,014,278.08, 4,159,750.80 and 1,637,649.06
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Solution
The fourth proportional to 3,014,278.08, 4,159,750.80 and 1,637,649.06 is: 2,259,981.26
Step by Step Solution
- Step 1: Write the proportion equation
3,014,278.08 : 4,159,750.80 = 1,637,649.06 : x - Step 2: Convert to fraction form
3,014,278.08/4,159,750.80 = 1,637,649.06/x - Step 3: Cross multiply
3,014,278.08x = 4,159,750.80 × 1,637,649.06 - Step 4: Simplify right side
3,014,278.08x = 6,812,211,987,454.25 - Step 5: Solve for x
x = 6,812,211,987,454.25/3,014,278.08 - Step 6: Final answer
x = 2,259,981.26
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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.