Finding the Fourth Proportional to 1,712,371.90, 2,362,943.18 and 948,409.06
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Solution
The fourth proportional to 1,712,371.90, 2,362,943.18 and 948,409.06 is: 1,308,732.48
Step by Step Solution
- Step 1: Write the proportion equation
1,712,371.90 : 2,362,943.18 = 948,409.06 : x - Step 2: Convert to fraction form
1,712,371.90/2,362,943.18 = 948,409.06/x - Step 3: Cross multiply
1,712,371.90x = 2,362,943.18 × 948,409.06 - Step 4: Simplify right side
1,712,371.90x = 2,241,036,720,177.21 - Step 5: Solve for x
x = 2,241,036,720,177.21/1,712,371.90 - Step 6: Final answer
x = 1,308,732.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.