Finding the Fourth Proportional to 1,871,406.88, 2,582,541.68 and 1,011,967.08
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Solution
The fourth proportional to 1,871,406.88, 2,582,541.68 and 1,011,967.08 is: 1,396,514.67
Step by Step Solution
- Step 1: Write the proportion equation
1,871,406.88 : 2,582,541.68 = 1,011,967.08 : x - Step 2: Convert to fraction form
1,871,406.88/2,582,541.68 = 1,011,967.08/x - Step 3: Cross multiply
1,871,406.88x = 2,582,541.68 × 1,011,967.08 - Step 4: Simplify right side
1,871,406.88x = 2,613,447,162,887.89 - Step 5: Solve for x
x = 2,613,447,162,887.89/1,871,406.88 - Step 6: Final answer
x = 1,396,514.67
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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.