Finding the Fourth Proportional to 2,249,583.18, 3,104,424.99 and 1,230,988.02
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Solution
The fourth proportional to 2,249,583.18, 3,104,424.99 and 1,230,988.02 is: 1,698,763.58
Step by Step Solution
- Step 1: Write the proportion equation
2,249,583.18 : 3,104,424.99 = 1,230,988.02 : x - Step 2: Convert to fraction form
2,249,583.18/3,104,424.99 = 1,230,988.02/x - Step 3: Cross multiply
2,249,583.18x = 3,104,424.99 × 1,230,988.02 - Step 4: Simplify right side
2,249,583.18x = 3,821,509,971,678.62 - Step 5: Solve for x
x = 3,821,509,971,678.62/2,249,583.18 - Step 6: Final answer
x = 1,698,763.58
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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.