Finding the Fourth Proportional to 6,996,970.90, 10,500,121.95 and 3,208,503.70
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Solution
The fourth proportional to 6,996,970.90, 10,500,121.95 and 3,208,503.70 is: 4,814,894.99
Step by Step Solution
- Step 1: Write the proportion equation
6,996,970.90 : 10,500,121.95 = 3,208,503.70 : x - Step 2: Convert to fraction form
6,996,970.90/10,500,121.95 = 3,208,503.70/x - Step 3: Cross multiply
6,996,970.90x = 10,500,121.95 × 3,208,503.70 - Step 4: Simplify right side
6,996,970.90x = 33,689,680,127,026.21 - Step 5: Solve for x
x = 33,689,680,127,026.21/6,996,970.90 - Step 6: Final answer
x = 4,814,894.99
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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.