Finding the Fourth Proportional to 1,415,914.08, 1,953,938.82 and 771,342
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Solution
The fourth proportional to 1,415,914.08, 1,953,938.82 and 771,342 is: 1,064,439.64
Step by Step Solution
- Step 1: Write the proportion equation
1,415,914.08 : 1,953,938.82 = 771,342 : x - Step 2: Convert to fraction form
1,415,914.08/1,953,938.82 = 771,342/x - Step 3: Cross multiply
1,415,914.08x = 1,953,938.82 × 771,342 - Step 4: Simplify right side
1,415,914.08x = 1,507,155,077,296.44 - Step 5: Solve for x
x = 1,507,155,077,296.44/1,415,914.08 - Step 6: Final answer
x = 1,064,439.64
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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.