Finding the Fourth Proportional to 5,619,595.84, 8,428,682.75 and 1,781,455.26
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Solution
The fourth proportional to 5,619,595.84, 8,428,682.75 and 1,781,455.26 is: 2,671,957.50
Step by Step Solution
- Step 1: Write the proportion equation
5,619,595.84 : 8,428,682.75 = 1,781,455.26 : x - Step 2: Convert to fraction form
5,619,595.84/8,428,682.75 = 1,781,455.26/x - Step 3: Cross multiply
5,619,595.84x = 8,428,682.75 × 1,781,455.26 - Step 4: Simplify right side
5,619,595.84x = 15,015,321,238,221.39 - Step 5: Solve for x
x = 15,015,321,238,221.39/5,619,595.84 - Step 6: Final answer
x = 2,671,957.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.