Finding the Fourth Proportional to 1,575,480.99, 2,175,090.30 and 1,484,679.31
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Solution
The fourth proportional to 1,575,480.99, 2,175,090.30 and 1,484,679.31 is: 2,049,730.59
Step by Step Solution
- Step 1: Write the proportion equation
1,575,480.99 : 2,175,090.30 = 1,484,679.31 : x - Step 2: Convert to fraction form
1,575,480.99/2,175,090.30 = 1,484,679.31/x - Step 3: Cross multiply
1,575,480.99x = 2,175,090.30 × 1,484,679.31 - Step 4: Simplify right side
1,575,480.99x = 3,229,311,575,793.44 - Step 5: Solve for x
x = 3,229,311,575,793.44/1,575,480.99 - Step 6: Final answer
x = 2,049,730.59
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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.