Finding the Fourth Proportional to 1,574,653.10, 2,361,979.65 and 628,702.70
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Solution
The fourth proportional to 1,574,653.10, 2,361,979.65 and 628,702.70 is: 943,054.05
Step by Step Solution
- Step 1: Write the proportion equation
1,574,653.10 : 2,361,979.65 = 628,702.70 : x - Step 2: Convert to fraction form
1,574,653.10/2,361,979.65 = 628,702.70/x - Step 3: Cross multiply
1,574,653.10x = 2,361,979.65 × 628,702.70 - Step 4: Simplify right side
1,574,653.10x = 1,484,982,983,300.06 - Step 5: Solve for x
x = 1,484,982,983,300.06/1,574,653.10 - Step 6: Final answer
x = 943,054.05
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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.