Finding the Fourth Proportional to 1,751,113.08, 2,626,670.10 and 421,417.08
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Solution
The fourth proportional to 1,751,113.08, 2,626,670.10 and 421,417.08 is: 632,125.74
Step by Step Solution
- Step 1: Write the proportion equation
1,751,113.08 : 2,626,670.10 = 421,417.08 : x - Step 2: Convert to fraction form
1,751,113.08/2,626,670.10 = 421,417.08/x - Step 3: Cross multiply
1,751,113.08x = 2,626,670.10 × 421,417.08 - Step 4: Simplify right side
1,751,113.08x = 1,106,923,643,665.31 - Step 5: Solve for x
x = 1,106,923,643,665.31/1,751,113.08 - Step 6: Final answer
x = 632,125.74
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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.