Finding the Fourth Proportional to 1,706,434.66, 2,354,678.40 and 942,442.66
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Solution
The fourth proportional to 1,706,434.66, 2,354,678.40 and 942,442.66 is: 1,300,459.62
Step by Step Solution
- Step 1: Write the proportion equation
1,706,434.66 : 2,354,678.40 = 942,442.66 : x - Step 2: Convert to fraction form
1,706,434.66/2,354,678.40 = 942,442.66/x - Step 3: Cross multiply
1,706,434.66x = 2,354,678.40 × 942,442.66 - Step 4: Simplify right side
1,706,434.66x = 2,219,149,374,740.54 - Step 5: Solve for x
x = 2,219,149,374,740.54/1,706,434.66 - Step 6: Final answer
x = 1,300,459.62
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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.