Finding the Fourth Proportional to 2,653,179.20, 3,979,731.74 and 1,513,509.20
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Solution
The fourth proportional to 2,653,179.20, 3,979,731.74 and 1,513,509.20 is: 2,270,242.66
Step by Step Solution
- Step 1: Write the proportion equation
2,653,179.20 : 3,979,731.74 = 1,513,509.20 : x - Step 2: Convert to fraction form
2,653,179.20/3,979,731.74 = 1,513,509.20/x - Step 3: Cross multiply
2,653,179.20x = 3,979,731.74 × 1,513,509.20 - Step 4: Simplify right side
2,653,179.20x = 6,023,360,602,022.01 - Step 5: Solve for x
x = 6,023,360,602,022.01/2,653,179.20 - Step 6: Final answer
x = 2,270,242.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.