Finding the Fourth Proportional to 1,315,840.14, 1,973,830.68 and 417,350.07
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Solution
The fourth proportional to 1,315,840.14, 1,973,830.68 and 417,350.07 is: 626,047.46
Step by Step Solution
- Step 1: Write the proportion equation
1,315,840.14 : 1,973,830.68 = 417,350.07 : x - Step 2: Convert to fraction form
1,315,840.14/1,973,830.68 = 417,350.07/x - Step 3: Cross multiply
1,315,840.14x = 1,973,830.68 × 417,350.07 - Step 4: Simplify right side
1,315,840.14x = 823,778,372,466.15 - Step 5: Solve for x
x = 823,778,372,466.15/1,315,840.14 - Step 6: Final answer
x = 626,047.46
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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.