Finding the Fourth Proportional to 1,557,503.23, 2,148,946.99 and 912,577.63
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Solution
The fourth proportional to 1,557,503.23, 2,148,946.99 and 912,577.63 is: 1,259,118.38
Step by Step Solution
- Step 1: Write the proportion equation
1,557,503.23 : 2,148,946.99 = 912,577.63 : x - Step 2: Convert to fraction form
1,557,503.23/2,148,946.99 = 912,577.63/x - Step 3: Cross multiply
1,557,503.23x = 2,148,946.99 × 912,577.63 - Step 4: Simplify right side
1,557,503.23x = 1,961,080,951,129.83 - Step 5: Solve for x
x = 1,961,080,951,129.83/1,557,503.23 - Step 6: Final answer
x = 1,259,118.38
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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.