Finding the Fourth Proportional to 1,370,951.90, 2,056,848.23 and 613,430.99
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Solution
The fourth proportional to 1,370,951.90, 2,056,848.23 and 613,430.99 is: 920,334.58
Step by Step Solution
- Step 1: Write the proportion equation
1,370,951.90 : 2,056,848.23 = 613,430.99 : x - Step 2: Convert to fraction form
1,370,951.90/2,056,848.23 = 613,430.99/x - Step 3: Cross multiply
1,370,951.90x = 2,056,848.23 × 613,430.99 - Step 4: Simplify right side
1,370,951.90x = 1,261,734,446,008.65 - Step 5: Solve for x
x = 1,261,734,446,008.65/1,370,951.90 - Step 6: Final answer
x = 920,334.58
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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.