Finding the Fourth Proportional to 1,582,949.13, 2,184,509.72 and 971,439.63
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Solution
The fourth proportional to 1,582,949.13, 2,184,509.72 and 971,439.63 is: 1,340,611.19
Step by Step Solution
- Step 1: Write the proportion equation
1,582,949.13 : 2,184,509.72 = 971,439.63 : x - Step 2: Convert to fraction form
1,582,949.13/2,184,509.72 = 971,439.63/x - Step 3: Cross multiply
1,582,949.13x = 2,184,509.72 × 971,439.63 - Step 4: Simplify right side
1,582,949.13x = 2,122,119,309,271.01 - Step 5: Solve for x
x = 2,122,119,309,271.01/1,582,949.13 - Step 6: Final answer
x = 1,340,611.19
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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.