Finding the Fourth Proportional to 2,121,050.88, 2,926,991.34 and 1,154,158.74
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Solution
The fourth proportional to 2,121,050.88, 2,926,991.34 and 1,154,158.74 is: 1,592,707.03
Step by Step Solution
- Step 1: Write the proportion equation
2,121,050.88 : 2,926,991.34 = 1,154,158.74 : x - Step 2: Convert to fraction form
2,121,050.88/2,926,991.34 = 1,154,158.74/x - Step 3: Cross multiply
2,121,050.88x = 2,926,991.34 × 1,154,158.74 - Step 4: Simplify right side
2,121,050.88x = 3,378,212,636,965.31 - Step 5: Solve for x
x = 3,378,212,636,965.31/2,121,050.88 - Step 6: Final answer
x = 1,592,707.03
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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.