Finding the Fourth Proportional to 1,676,656.98, 2,313,774.99 and 912,708.72
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Solution
The fourth proportional to 1,676,656.98, 2,313,774.99 and 912,708.72 is: 1,259,531.70
Step by Step Solution
- Step 1: Write the proportion equation
1,676,656.98 : 2,313,774.99 = 912,708.72 : x - Step 2: Convert to fraction form
1,676,656.98/2,313,774.99 = 912,708.72/x - Step 3: Cross multiply
1,676,656.98x = 2,313,774.99 × 912,708.72 - Step 4: Simplify right side
1,676,656.98x = 2,111,802,609,490.91 - Step 5: Solve for x
x = 2,111,802,609,490.91/1,676,656.98 - Step 6: Final answer
x = 1,259,531.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.