Finding the Fourth Proportional to 2,051,809.30, 2,831,643.36 and 1,134,018.72
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Solution
The fourth proportional to 2,051,809.30, 2,831,643.36 and 1,134,018.72 is: 1,565,026.81
Step by Step Solution
- Step 1: Write the proportion equation
2,051,809.30 : 2,831,643.36 = 1,134,018.72 : x - Step 2: Convert to fraction form
2,051,809.30/2,831,643.36 = 1,134,018.72/x - Step 3: Cross multiply
2,051,809.30x = 2,831,643.36 × 1,134,018.72 - Step 4: Simplify right side
2,051,809.30x = 3,211,136,574,351.13 - Step 5: Solve for x
x = 3,211,136,574,351.13/2,051,809.30 - Step 6: Final answer
x = 1,565,026.81
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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.