Finding the Fourth Proportional to 1,854,445.94, 2,558,554.34 and 1,038,539.42
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Solution
The fourth proportional to 1,854,445.94, 2,558,554.34 and 1,038,539.42 is: 1,432,858.99
Step by Step Solution
- Step 1: Write the proportion equation
1,854,445.94 : 2,558,554.34 = 1,038,539.42 : x - Step 2: Convert to fraction form
1,854,445.94/2,558,554.34 = 1,038,539.42/x - Step 3: Cross multiply
1,854,445.94x = 2,558,554.34 × 1,038,539.42 - Step 4: Simplify right side
1,854,445.94x = 2,657,159,540,302.08 - Step 5: Solve for x
x = 2,657,159,540,302.08/1,854,445.94 - Step 6: Final answer
x = 1,432,858.99
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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.