Finding the Fourth Proportional to 1,346,237.62, 2,019,340.86 and 386,716.74
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Solution
The fourth proportional to 1,346,237.62, 2,019,340.86 and 386,716.74 is: 580,070.64
Step by Step Solution
- Step 1: Write the proportion equation
1,346,237.62 : 2,019,340.86 = 386,716.74 : x - Step 2: Convert to fraction form
1,346,237.62/2,019,340.86 = 386,716.74/x - Step 3: Cross multiply
1,346,237.62x = 2,019,340.86 × 386,716.74 - Step 4: Simplify right side
1,346,237.62x = 780,912,925,621.48 - Step 5: Solve for x
x = 780,912,925,621.48/1,346,237.62 - Step 6: Final answer
x = 580,070.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.