Finding the Fourth Proportional to 1,872,773.88, 2,584,419.66 and 1,013,349.30
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Solution
The fourth proportional to 1,872,773.88, 2,584,419.66 and 1,013,349.30 is: 1,398,417.55
Step by Step Solution
- Step 1: Write the proportion equation
1,872,773.88 : 2,584,419.66 = 1,013,349.30 : x - Step 2: Convert to fraction form
1,872,773.88/2,584,419.66 = 1,013,349.30/x - Step 3: Cross multiply
1,872,773.88x = 2,584,419.66 × 1,013,349.30 - Step 4: Simplify right side
1,872,773.88x = 2,618,919,853,367.24 - Step 5: Solve for x
x = 2,618,919,853,367.24/1,872,773.88 - Step 6: Final answer
x = 1,398,417.55
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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.