Finding the Fourth Proportional to 2,665,521.72, 3,674,593.80 and 1,900,246.68
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Solution
The fourth proportional to 2,665,521.72, 3,674,593.80 and 1,900,246.68 is: 2,619,612.74
Step by Step Solution
- Step 1: Write the proportion equation
2,665,521.72 : 3,674,593.80 = 1,900,246.68 : x - Step 2: Convert to fraction form
2,665,521.72/3,674,593.80 = 1,900,246.68/x - Step 3: Cross multiply
2,665,521.72x = 3,674,593.80 × 1,900,246.68 - Step 4: Simplify right side
2,665,521.72x = 6,982,634,668,798.58 - Step 5: Solve for x
x = 6,982,634,668,798.58/2,665,521.72 - Step 6: Final answer
x = 2,619,612.74
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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.