Finding the Fourth Proportional to 1,918,392.99, 2,646,753.60 and 1,367,195.52
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Solution
The fourth proportional to 1,918,392.99, 2,646,753.60 and 1,367,195.52 is: 1,886,281.74
Step by Step Solution
- Step 1: Write the proportion equation
1,918,392.99 : 2,646,753.60 = 1,367,195.52 : x - Step 2: Convert to fraction form
1,918,392.99/2,646,753.60 = 1,367,195.52/x - Step 3: Cross multiply
1,918,392.99x = 2,646,753.60 × 1,367,195.52 - Step 4: Simplify right side
1,918,392.99x = 3,618,629,664,463.87 - Step 5: Solve for x
x = 3,618,629,664,463.87/1,918,392.99 - Step 6: Final answer
x = 1,886,281.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.