Finding the Fourth Proportional to 2,490,206.49, 3,436,612.65 and 1,523,033.01
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Solution
The fourth proportional to 2,490,206.49, 3,436,612.65 and 1,523,033.01 is: 2,101,863.65
Step by Step Solution
- Step 1: Write the proportion equation
2,490,206.49 : 3,436,612.65 = 1,523,033.01 : x - Step 2: Convert to fraction form
2,490,206.49/3,436,612.65 = 1,523,033.01/x - Step 3: Cross multiply
2,490,206.49x = 3,436,612.65 × 1,523,033.01 - Step 4: Simplify right side
2,490,206.49x = 5,234,074,508,533.58 - Step 5: Solve for x
x = 5,234,074,508,533.58/2,490,206.49 - Step 6: Final answer
x = 2,101,863.65
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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.