Finding the Fourth Proportional to 5,126,726.52, 7,074,742.70 and 2,834,808.84
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Solution
The fourth proportional to 5,126,726.52, 7,074,742.70 and 2,834,808.84 is: 3,911,958.84
Step by Step Solution
- Step 1: Write the proportion equation
5,126,726.52 : 7,074,742.70 = 2,834,808.84 : x - Step 2: Convert to fraction form
5,126,726.52/7,074,742.70 = 2,834,808.84/x - Step 3: Cross multiply
5,126,726.52x = 7,074,742.70 × 2,834,808.84 - Step 4: Simplify right side
5,126,726.52x = 20,055,543,153,772.49 - Step 5: Solve for x
x = 20,055,543,153,772.49/5,126,726.52 - Step 6: Final answer
x = 3,911,958.84
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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.