Finding the Fourth Proportional to 1,374,472.21, 1,896,835.55 and 858,531.58
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Solution
The fourth proportional to 1,374,472.21, 1,896,835.55 and 858,531.58 is: 1,184,813.49
Step by Step Solution
- Step 1: Write the proportion equation
1,374,472.21 : 1,896,835.55 = 858,531.58 : x - Step 2: Convert to fraction form
1,374,472.21/1,896,835.55 = 858,531.58/x - Step 3: Cross multiply
1,374,472.21x = 1,896,835.55 × 858,531.58 - Step 4: Simplify right side
1,374,472.21x = 1,628,493,221,741.67 - Step 5: Solve for x
x = 1,628,493,221,741.67/1,374,472.21 - Step 6: Final answer
x = 1,184,813.49
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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.