Finding the Fourth Proportional to 4,872,512.07, 7,303,946.99 and 2,309,221.71
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Solution
The fourth proportional to 4,872,512.07, 7,303,946.99 and 2,309,221.71 is: 3,461,547.70
Step by Step Solution
- Step 1: Write the proportion equation
4,872,512.07 : 7,303,946.99 = 2,309,221.71 : x - Step 2: Convert to fraction form
4,872,512.07/7,303,946.99 = 2,309,221.71/x - Step 3: Cross multiply
4,872,512.07x = 7,303,946.99 × 2,309,221.71 - Step 4: Simplify right side
4,872,512.07x = 16,866,432,946,451.04 - Step 5: Solve for x
x = 16,866,432,946,451.04/4,872,512.07 - Step 6: Final answer
x = 3,461,547.70
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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.