Finding the Fourth Proportional to 1,604,208.84, 2,407,489.38 and 1,292,430.12
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Solution
The fourth proportional to 1,604,208.84, 2,407,489.38 and 1,292,430.12 is: 1,939,592.72
Step by Step Solution
- Step 1: Write the proportion equation
1,604,208.84 : 2,407,489.38 = 1,292,430.12 : x - Step 2: Convert to fraction form
1,604,208.84/2,407,489.38 = 1,292,430.12/x - Step 3: Cross multiply
1,604,208.84x = 2,407,489.38 × 1,292,430.12 - Step 4: Simplify right side
1,604,208.84x = 3,111,511,788,292.13 - Step 5: Solve for x
x = 3,111,511,788,292.13/1,604,208.84 - Step 6: Final answer
x = 1,939,592.72
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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.