Finding the Fourth Proportional to 1,681,266.70, 2,317,437.69 and 1,137,204.08
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Solution
The fourth proportional to 1,681,266.70, 2,317,437.69 and 1,137,204.08 is: 1,567,508.35
Step by Step Solution
- Step 1: Write the proportion equation
1,681,266.70 : 2,317,437.69 = 1,137,204.08 : x - Step 2: Convert to fraction form
1,681,266.70/2,317,437.69 = 1,137,204.08/x - Step 3: Cross multiply
1,681,266.70x = 2,317,437.69 × 1,137,204.08 - Step 4: Simplify right side
1,681,266.70x = 2,635,399,596,213.78 - Step 5: Solve for x
x = 2,635,399,596,213.78/1,681,266.70 - Step 6: Final answer
x = 1,567,508.35
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1.5x scale
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.