Finding the Fourth Proportional to 1,458,005.70, 2,186,352.45 and 559,148.70
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Solution
The fourth proportional to 1,458,005.70, 2,186,352.45 and 559,148.70 is: 838,471.43
Step by Step Solution
- Step 1: Write the proportion equation
1,458,005.70 : 2,186,352.45 = 559,148.70 : x - Step 2: Convert to fraction form
1,458,005.70/2,186,352.45 = 559,148.70/x - Step 3: Cross multiply
1,458,005.70x = 2,186,352.45 × 559,148.70 - Step 4: Simplify right side
1,458,005.70x = 1,222,496,130,159.32 - Step 5: Solve for x
x = 1,222,496,130,159.32/1,458,005.70 - Step 6: Final answer
x = 838,471.43
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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.