Finding the Fourth Proportional to 2,187,307.20, 3,281,421.60 and 924,484.80
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Solution
The fourth proportional to 2,187,307.20, 3,281,421.60 and 924,484.80 is: 1,386,921.96
Step by Step Solution
- Step 1: Write the proportion equation
2,187,307.20 : 3,281,421.60 = 924,484.80 : x - Step 2: Convert to fraction form
2,187,307.20/3,281,421.60 = 924,484.80/x - Step 3: Cross multiply
2,187,307.20x = 3,281,421.60 × 924,484.80 - Step 4: Simplify right side
2,187,307.20x = 3,033,624,391,591.68 - Step 5: Solve for x
x = 3,033,624,391,591.68/2,187,307.20 - Step 6: Final answer
x = 1,386,921.96
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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.