Finding the Fourth Proportional to 2,657,187.20, 3,985,780.80 and 974,946.80
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Solution
The fourth proportional to 2,657,187.20, 3,985,780.80 and 974,946.80 is: 1,462,420.20
Step by Step Solution
- Step 1: Write the proportion equation
2,657,187.20 : 3,985,780.80 = 974,946.80 : x - Step 2: Convert to fraction form
2,657,187.20/3,985,780.80 = 974,946.80/x - Step 3: Cross multiply
2,657,187.20x = 3,985,780.80 × 974,946.80 - Step 4: Simplify right side
2,657,187.20x = 3,885,924,236,461.44 - Step 5: Solve for x
x = 3,885,924,236,461.44/2,657,187.20 - Step 6: Final answer
x = 1,462,420.20
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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.