Finding the Fourth Proportional to 1,709,813.64, 2,565,233.98 and 511,775.08
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Solution
The fourth proportional to 1,709,813.64, 2,565,233.98 and 511,775.08 is: 767,816.32
Step by Step Solution
- Step 1: Write the proportion equation
1,709,813.64 : 2,565,233.98 = 511,775.08 : x - Step 2: Convert to fraction form
1,709,813.64/2,565,233.98 = 511,775.08/x - Step 3: Cross multiply
1,709,813.64x = 2,565,233.98 × 511,775.08 - Step 4: Simplify right side
1,709,813.64x = 1,312,822,825,333.22 - Step 5: Solve for x
x = 1,312,822,825,333.22/1,709,813.64 - Step 6: Final answer
x = 767,816.32
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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.