Finding the Fourth Proportional to 2,235,138.65, 3,084,557.15 and 1,582,931.51
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Solution
The fourth proportional to 2,235,138.65, 3,084,557.15 and 1,582,931.51 is: 2,184,492.09
Step by Step Solution
- Step 1: Write the proportion equation
2,235,138.65 : 3,084,557.15 = 1,582,931.51 : x - Step 2: Convert to fraction form
2,235,138.65/3,084,557.15 = 1,582,931.51/x - Step 3: Cross multiply
2,235,138.65x = 3,084,557.15 × 1,582,931.51 - Step 4: Simplify right side
2,235,138.65x = 4,882,642,699,216.14 - Step 5: Solve for x
x = 4,882,642,699,216.14/2,235,138.65 - Step 6: Final answer
x = 2,184,492.09
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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.