Finding the Fourth Proportional to 1,995,348.60, 2,993,460.30 and 647,281.80
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Solution
The fourth proportional to 1,995,348.60, 2,993,460.30 and 647,281.80 is: 971,064.59
Step by Step Solution
- Step 1: Write the proportion equation
1,995,348.60 : 2,993,460.30 = 647,281.80 : x - Step 2: Convert to fraction form
1,995,348.60/2,993,460.30 = 647,281.80/x - Step 3: Cross multiply
1,995,348.60x = 2,993,460.30 × 647,281.80 - Step 4: Simplify right side
1,995,348.60x = 1,937,612,371,212.54 - Step 5: Solve for x
x = 1,937,612,371,212.54/1,995,348.60 - Step 6: Final answer
x = 971,064.59
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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.