Finding the Fourth Proportional to 1,554,539.79, 2,331,809.64 and 607,246.20
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Solution
The fourth proportional to 1,554,539.79, 2,331,809.64 and 607,246.20 is: 910,869.28
Step by Step Solution
- Step 1: Write the proportion equation
1,554,539.79 : 2,331,809.64 = 607,246.20 : x - Step 2: Convert to fraction form
1,554,539.79/2,331,809.64 = 607,246.20/x - Step 3: Cross multiply
1,554,539.79x = 2,331,809.64 × 607,246.20 - Step 4: Simplify right side
1,554,539.79x = 1,415,982,543,013.37 - Step 5: Solve for x
x = 1,415,982,543,013.37/1,554,539.79 - Step 6: Final answer
x = 910,869.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.