Finding the Fourth Proportional to 2,908,158.99, 4,010,646.60 and 1,820,529.60
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Solution
The fourth proportional to 2,908,158.99, 4,010,646.60 and 1,820,529.60 is: 2,510,695.21
Step by Step Solution
- Step 1: Write the proportion equation
2,908,158.99 : 4,010,646.60 = 1,820,529.60 : x - Step 2: Convert to fraction form
2,908,158.99/4,010,646.60 = 1,820,529.60/x - Step 3: Cross multiply
2,908,158.99x = 4,010,646.60 × 1,820,529.60 - Step 4: Simplify right side
2,908,158.99x = 7,301,500,850,439.36 - Step 5: Solve for x
x = 7,301,500,850,439.36/2,908,158.99 - Step 6: Final answer
x = 2,510,695.21
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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.