Finding the Fourth Proportional to 1,775,143.60, 2,660,965.80 and 875,849.20
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Solution
The fourth proportional to 1,775,143.60, 2,660,965.80 and 875,849.20 is: 1,312,910.55
Step by Step Solution
- Step 1: Write the proportion equation
1,775,143.60 : 2,660,965.80 = 875,849.20 : x - Step 2: Convert to fraction form
1,775,143.60/2,660,965.80 = 875,849.20/x - Step 3: Cross multiply
1,775,143.60x = 2,660,965.80 × 875,849.20 - Step 4: Simplify right side
1,775,143.60x = 2,330,604,767,157.36 - Step 5: Solve for x
x = 2,330,604,767,157.36/1,775,143.60 - Step 6: Final answer
x = 1,312,910.55
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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.