Finding the Fourth Proportional to 1,415,911.08, 1,953,934.68 and 771,339
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Solution
The fourth proportional to 1,415,911.08, 1,953,934.68 and 771,339 is: 1,064,435.50
Step by Step Solution
- Step 1: Write the proportion equation
1,415,911.08 : 1,953,934.68 = 771,339 : x - Step 2: Convert to fraction form
1,415,911.08/1,953,934.68 = 771,339/x - Step 3: Cross multiply
1,415,911.08x = 1,953,934.68 × 771,339 - Step 4: Simplify right side
1,415,911.08x = 1,507,146,022,136.52 - Step 5: Solve for x
x = 1,507,146,022,136.52/1,415,911.08 - Step 6: Final answer
x = 1,064,435.50
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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.