Finding the Fourth Proportional to 5,315,348.04, 7,974,184.84 and 1,721,478.26
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Solution
The fourth proportional to 5,315,348.04, 7,974,184.84 and 1,721,478.26 is: 2,582,593.98
Step by Step Solution
- Step 1: Write the proportion equation
5,315,348.04 : 7,974,184.84 = 1,721,478.26 : x - Step 2: Convert to fraction form
5,315,348.04/7,974,184.84 = 1,721,478.26/x - Step 3: Cross multiply
5,315,348.04x = 7,974,184.84 × 1,721,478.26 - Step 4: Simplify right side
5,315,348.04x = 13,727,385,843,281.58 - Step 5: Solve for x
x = 13,727,385,843,281.58/5,315,348.04 - Step 6: Final answer
x = 2,582,593.98
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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.