Finding the Fourth Proportional to 4,862,814.63, 7,294,221.81 and 1,830,860.70
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Solution
The fourth proportional to 4,862,814.63, 7,294,221.81 and 1,830,860.70 is: 2,746,291.00
Step by Step Solution
- Step 1: Write the proportion equation
4,862,814.63 : 7,294,221.81 = 1,830,860.70 : x - Step 2: Convert to fraction form
4,862,814.63/7,294,221.81 = 1,830,860.70/x - Step 3: Cross multiply
4,862,814.63x = 7,294,221.81 × 1,830,860.70 - Step 4: Simplify right side
4,862,814.63x = 13,354,704,049,011.87 - Step 5: Solve for x
x = 13,354,704,049,011.87/4,862,814.63 - Step 6: Final answer
x = 2,746,291.00
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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.