Finding the Fourth Proportional to 4,688,503.56, 7,031,355.66 and 1,992,817.08
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Solution
The fourth proportional to 4,688,503.56, 7,031,355.66 and 1,992,817.08 is: 2,988,630.70
Step by Step Solution
- Step 1: Write the proportion equation
4,688,503.56 : 7,031,355.66 = 1,992,817.08 : x - Step 2: Convert to fraction form
4,688,503.56/7,031,355.66 = 1,992,817.08/x - Step 3: Cross multiply
4,688,503.56x = 7,031,355.66 × 1,992,817.08 - Step 4: Simplify right side
4,688,503.56x = 14,012,205,654,802.67 - Step 5: Solve for x
x = 14,012,205,654,802.67/4,688,503.56 - Step 6: Final answer
x = 2,988,630.70
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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.