Finding the Fourth Proportional to 2,943,746.12, 4,415,702.21 and 813,830.06
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Solution
The fourth proportional to 2,943,746.12, 4,415,702.21 and 813,830.06 is: 1,220,768.04
Step by Step Solution
- Step 1: Write the proportion equation
2,943,746.12 : 4,415,702.21 = 813,830.06 : x - Step 2: Convert to fraction form
2,943,746.12/4,415,702.21 = 813,830.06/x - Step 3: Cross multiply
2,943,746.12x = 4,415,702.21 × 813,830.06 - Step 4: Simplify right side
2,943,746.12x = 3,593,631,194,506.43 - Step 5: Solve for x
x = 3,593,631,194,506.43/2,943,746.12 - Step 6: Final answer
x = 1,220,768.04
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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.