Finding the Fourth Proportional to 2,457,356.70, 3,390,741.09 and 1,369,389.81
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Solution
The fourth proportional to 2,457,356.70, 3,390,741.09 and 1,369,389.81 is: 1,889,528.82
Step by Step Solution
- Step 1: Write the proportion equation
2,457,356.70 : 3,390,741.09 = 1,369,389.81 : x - Step 2: Convert to fraction form
2,457,356.70/3,390,741.09 = 1,369,389.81/x - Step 3: Cross multiply
2,457,356.70x = 3,390,741.09 × 1,369,389.81 - Step 4: Simplify right side
2,457,356.70x = 4,643,246,296,994.29 - Step 5: Solve for x
x = 4,643,246,296,994.29/2,457,356.70 - Step 6: Final answer
x = 1,889,528.82
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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.