Finding the Fourth Proportional to 1,868,125.68, 2,577,933.54 and 1,041,155.13
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Solution
The fourth proportional to 1,868,125.68, 2,577,933.54 and 1,041,155.13 is: 1,436,749.56
Step by Step Solution
- Step 1: Write the proportion equation
1,868,125.68 : 2,577,933.54 = 1,041,155.13 : x - Step 2: Convert to fraction form
1,868,125.68/2,577,933.54 = 1,041,155.13/x - Step 3: Cross multiply
1,868,125.68x = 2,577,933.54 × 1,041,155.13 - Step 4: Simplify right side
1,868,125.68x = 2,684,028,739,637.31 - Step 5: Solve for x
x = 2,684,028,739,637.31/1,868,125.68 - Step 6: Final answer
x = 1,436,749.56
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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.