Finding the Fourth Proportional to 1,539,579.10, 2,124,533.44 and 851,211.12
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Solution
The fourth proportional to 1,539,579.10, 2,124,533.44 and 851,211.12 is: 1,174,623.95
Step by Step Solution
- Step 1: Write the proportion equation
1,539,579.10 : 2,124,533.44 = 851,211.12 : x - Step 2: Convert to fraction form
1,539,579.10/2,124,533.44 = 851,211.12/x - Step 3: Cross multiply
1,539,579.10x = 2,124,533.44 × 851,211.12 - Step 4: Simplify right side
1,539,579.10x = 1,808,426,488,939.85 - Step 5: Solve for x
x = 1,808,426,488,939.85/1,539,579.10 - Step 6: Final answer
x = 1,174,623.95
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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.