Finding the Fourth Proportional to 1,854,228.58, 2,558,713.64 and 1,038,245.21
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Solution
The fourth proportional to 1,854,228.58, 2,558,713.64 and 1,038,245.21 is: 1,432,710.19
Step by Step Solution
- Step 1: Write the proportion equation
1,854,228.58 : 2,558,713.64 = 1,038,245.21 : x - Step 2: Convert to fraction form
1,854,228.58/2,558,713.64 = 1,038,245.21/x - Step 3: Cross multiply
1,854,228.58x = 2,558,713.64 × 1,038,245.21 - Step 4: Simplify right side
1,854,228.58x = 2,656,572,172,102.05 - Step 5: Solve for x
x = 2,656,572,172,102.05/1,854,228.58 - Step 6: Final answer
x = 1,432,710.19
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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.