Finding the Fourth Proportional to 1,539,360.41, 2,124,226.06 and 850,991.21
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Solution
The fourth proportional to 1,539,360.41, 2,124,226.06 and 850,991.21 is: 1,174,317.40
Step by Step Solution
- Step 1: Write the proportion equation
1,539,360.41 : 2,124,226.06 = 850,991.21 : x - Step 2: Convert to fraction form
1,539,360.41/2,124,226.06 = 850,991.21/x - Step 3: Cross multiply
1,539,360.41x = 2,124,226.06 × 850,991.21 - Step 4: Simplify right side
1,539,360.41x = 1,807,697,705,112.93 - Step 5: Solve for x
x = 1,807,697,705,112.93/1,539,360.41 - Step 6: Final answer
x = 1,174,317.40
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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.