Finding the Fourth Proportional to 4,249,729.68, 5,864,455.80 and 2,315,948.70
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Solution
The fourth proportional to 4,249,729.68, 5,864,455.80 and 2,315,948.70 is: 3,195,915.93
Step by Step Solution
- Step 1: Write the proportion equation
4,249,729.68 : 5,864,455.80 = 2,315,948.70 : x - Step 2: Convert to fraction form
4,249,729.68/5,864,455.80 = 2,315,948.70/x - Step 3: Cross multiply
4,249,729.68x = 5,864,455.80 × 2,315,948.70 - Step 4: Simplify right side
4,249,729.68x = 13,581,778,786,217.46 - Step 5: Solve for x
x = 13,581,778,786,217.46/4,249,729.68 - Step 6: Final answer
x = 3,195,915.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.