Finding the Fourth Proportional to 4,964,918.70, 7,447,378.05 and 1,773,648.30
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Solution
The fourth proportional to 4,964,918.70, 7,447,378.05 and 1,773,648.30 is: 2,660,472.45
Step by Step Solution
- Step 1: Write the proportion equation
4,964,918.70 : 7,447,378.05 = 1,773,648.30 : x - Step 2: Convert to fraction form
4,964,918.70/7,447,378.05 = 1,773,648.30/x - Step 3: Cross multiply
4,964,918.70x = 7,447,378.05 × 1,773,648.30 - Step 4: Simplify right side
4,964,918.70x = 13,209,029,417,839.81 - Step 5: Solve for x
x = 13,209,029,417,839.81/4,964,918.70 - Step 6: Final answer
x = 2,660,472.45
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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.