Finding the Fourth Proportional to 1,855,489.05, 2,782,356.35 and 718,783.65
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Solution
The fourth proportional to 1,855,489.05, 2,782,356.35 and 718,783.65 is: 1,077,835.65
Step by Step Solution
- Step 1: Write the proportion equation
1,855,489.05 : 2,782,356.35 = 718,783.65 : x - Step 2: Convert to fraction form
1,855,489.05/2,782,356.35 = 718,783.65/x - Step 3: Cross multiply
1,855,489.05x = 2,782,356.35 × 718,783.65 - Step 4: Simplify right side
1,855,489.05x = 1,999,912,249,259.76 - Step 5: Solve for x
x = 1,999,912,249,259.76/1,855,489.05 - Step 6: Final answer
x = 1,077,835.65
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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.