Finding the Fourth Proportional to 2,326,857.88, 3,490,345.12 and 643,975.96
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Solution
The fourth proportional to 2,326,857.88, 3,490,345.12 and 643,975.96 is: 965,980.07
Step by Step Solution
- Step 1: Write the proportion equation
2,326,857.88 : 3,490,345.12 = 643,975.96 : x - Step 2: Convert to fraction form
2,326,857.88/3,490,345.12 = 643,975.96/x - Step 3: Cross multiply
2,326,857.88x = 3,490,345.12 × 643,975.96 - Step 4: Simplify right side
2,326,857.88x = 2,247,698,349,383.32 - Step 5: Solve for x
x = 2,247,698,349,383.32/2,326,857.88 - Step 6: Final answer
x = 965,980.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.