Finding the Fourth Proportional to 2,173,985.59, 3,246,338.75 and 1,775,416.99
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Solution
The fourth proportional to 2,173,985.59, 3,246,338.75 and 1,775,416.99 is: 2,651,169.81
Step by Step Solution
- Step 1: Write the proportion equation
2,173,985.59 : 3,246,338.75 = 1,775,416.99 : x - Step 2: Convert to fraction form
2,173,985.59/3,246,338.75 = 1,775,416.99/x - Step 3: Cross multiply
2,173,985.59x = 3,246,338.75 × 1,775,416.99 - Step 4: Simplify right side
2,173,985.59x = 5,763,604,972,045.36 - Step 5: Solve for x
x = 5,763,604,972,045.36/2,173,985.59 - Step 6: Final answer
x = 2,651,169.81
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.