Finding the Fourth Proportional to 1,539,593.72, 2,124,553.20 and 851,225.48
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Solution
The fourth proportional to 1,539,593.72, 2,124,553.20 and 851,225.48 is: 1,174,643.54
Step by Step Solution
- Step 1: Write the proportion equation
1,539,593.72 : 2,124,553.20 = 851,225.48 : x - Step 2: Convert to fraction form
1,539,593.72/2,124,553.20 = 851,225.48/x - Step 3: Cross multiply
1,539,593.72x = 2,124,553.20 × 851,225.48 - Step 4: Simplify right side
1,539,593.72x = 1,808,473,817,455.54 - Step 5: Solve for x
x = 1,808,473,817,455.54/1,539,593.72 - Step 6: Final answer
x = 1,174,643.54
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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.