Finding the Fourth Proportional to 1,539,579.58, 2,124,534.12 and 851,211.64
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Solution
The fourth proportional to 1,539,579.58, 2,124,534.12 and 851,211.64 is: 1,174,624.68
Step by Step Solution
- Step 1: Write the proportion equation
1,539,579.58 : 2,124,534.12 = 851,211.64 : x - Step 2: Convert to fraction form
1,539,579.58/2,124,534.12 = 851,211.64/x - Step 3: Cross multiply
1,539,579.58x = 2,124,534.12 × 851,211.64 - Step 4: Simplify right side
1,539,579.58x = 1,808,428,172,521.16 - Step 5: Solve for x
x = 1,808,428,172,521.16/1,539,579.58 - Step 6: Final answer
x = 1,174,624.68
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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.