Finding the Fourth Proportional to 5,107,345.83, 7,048,184.79 and 2,815,588.53
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Solution
The fourth proportional to 5,107,345.83, 7,048,184.79 and 2,815,588.53 is: 3,885,538.38
Step by Step Solution
- Step 1: Write the proportion equation
5,107,345.83 : 7,048,184.79 = 2,815,588.53 : x - Step 2: Convert to fraction form
5,107,345.83/7,048,184.79 = 2,815,588.53/x - Step 3: Cross multiply
5,107,345.83x = 7,048,184.79 × 2,815,588.53 - Step 4: Simplify right side
5,107,345.83x = 19,844,788,252,044.46 - Step 5: Solve for x
x = 19,844,788,252,044.46/5,107,345.83 - Step 6: Final answer
x = 3,885,538.38
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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.