Finding the Fourth Proportional to 1,137,207.23, 1,698,437.87 and 1,030,377.75
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Solution
The fourth proportional to 1,137,207.23, 1,698,437.87 and 1,030,377.75 is: 1,538,886.26
Step by Step Solution
- Step 1: Write the proportion equation
1,137,207.23 : 1,698,437.87 = 1,030,377.75 : x - Step 2: Convert to fraction form
1,137,207.23/1,698,437.87 = 1,030,377.75/x - Step 3: Cross multiply
1,137,207.23x = 1,698,437.87 × 1,030,377.75 - Step 4: Simplify right side
1,137,207.23x = 1,750,032,577,361.31 - Step 5: Solve for x
x = 1,750,032,577,361.31/1,137,207.23 - Step 6: Final answer
x = 1,538,886.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.