Finding the Fourth Proportional to 1,407,876.09, 2,112,207.84 and 461,911.11
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Solution
The fourth proportional to 1,407,876.09, 2,112,207.84 and 461,911.11 is: 692,995.84
Step by Step Solution
- Step 1: Write the proportion equation
1,407,876.09 : 2,112,207.84 = 461,911.11 : x - Step 2: Convert to fraction form
1,407,876.09/2,112,207.84 = 461,911.11/x - Step 3: Cross multiply
1,407,876.09x = 2,112,207.84 × 461,911.11 - Step 4: Simplify right side
1,407,876.09x = 975,652,267,925.10 - Step 5: Solve for x
x = 975,652,267,925.10/1,407,876.09 - Step 6: Final answer
x = 692,995.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.