Finding the Fourth Proportional to 2,709,832.68, 4,064,750.64 and 688,228.20
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Solution
The fourth proportional to 2,709,832.68, 4,064,750.64 and 688,228.20 is: 1,032,342.71
Step by Step Solution
- Step 1: Write the proportion equation
2,709,832.68 : 4,064,750.64 = 688,228.20 : x - Step 2: Convert to fraction form
2,709,832.68/4,064,750.64 = 688,228.20/x - Step 3: Cross multiply
2,709,832.68x = 4,064,750.64 × 688,228.20 - Step 4: Simplify right side
2,709,832.68x = 2,797,476,016,416.05 - Step 5: Solve for x
x = 2,797,476,016,416.05/2,709,832.68 - Step 6: Final answer
x = 1,032,342.71
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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.