Finding the Fourth Proportional to 1,909,782.09, 2,865,935.12 and 899,193.02
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Solution
The fourth proportional to 1,909,782.09, 2,865,935.12 and 899,193.02 is: 1,349,383.71
Step by Step Solution
- Step 1: Write the proportion equation
1,909,782.09 : 2,865,935.12 = 899,193.02 : x - Step 2: Convert to fraction form
1,909,782.09/2,865,935.12 = 899,193.02/x - Step 3: Cross multiply
1,909,782.09x = 2,865,935.12 × 899,193.02 - Step 4: Simplify right side
1,909,782.09x = 2,577,028,836,851.22 - Step 5: Solve for x
x = 2,577,028,836,851.22/1,909,782.09 - Step 6: Final answer
x = 1,349,383.71
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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.