Finding the Fourth Proportional to 1,549,322.94, 2,138,117.58 and 861,023.81
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Solution
The fourth proportional to 1,549,322.94, 2,138,117.58 and 861,023.81 is: 1,188,241.71
Step by Step Solution
- Step 1: Write the proportion equation
1,549,322.94 : 2,138,117.58 = 861,023.81 : x - Step 2: Convert to fraction form
1,549,322.94/2,138,117.58 = 861,023.81/x - Step 3: Cross multiply
1,549,322.94x = 2,138,117.58 × 861,023.81 - Step 4: Simplify right side
1,549,322.94x = 1,840,970,144,959.58 - Step 5: Solve for x
x = 1,840,970,144,959.58/1,549,322.94 - Step 6: Final answer
x = 1,188,241.71
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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.