Finding the Fourth Proportional to 1,791,558.12, 2,687,320.50 and 726,346.98
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Solution
The fourth proportional to 1,791,558.12, 2,687,320.50 and 726,346.98 is: 1,089,513.71
Step by Step Solution
- Step 1: Write the proportion equation
1,791,558.12 : 2,687,320.50 = 726,346.98 : x - Step 2: Convert to fraction form
1,791,558.12/2,687,320.50 = 726,346.98/x - Step 3: Cross multiply
1,791,558.12x = 2,687,320.50 × 726,346.98 - Step 4: Simplify right side
1,791,558.12x = 1,951,927,129,467.09 - Step 5: Solve for x
x = 1,951,927,129,467.09/1,791,558.12 - Step 6: Final answer
x = 1,089,513.71
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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.