Finding the Fourth Proportional to 1,778,022.16, 2,453,670.81 and 962,226.06
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Solution
The fourth proportional to 1,778,022.16, 2,453,670.81 and 962,226.06 is: 1,327,872.09
Step by Step Solution
- Step 1: Write the proportion equation
1,778,022.16 : 2,453,670.81 = 962,226.06 : x - Step 2: Convert to fraction form
1,778,022.16/2,453,670.81 = 962,226.06/x - Step 3: Cross multiply
1,778,022.16x = 2,453,670.81 × 962,226.06 - Step 4: Simplify right side
1,778,022.16x = 2,360,985,996,043.31 - Step 5: Solve for x
x = 2,360,985,996,043.31/1,778,022.16 - Step 6: Final answer
x = 1,327,872.09
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1.5x scale
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.