Finding the Fourth Proportional to 1,590,807.60, 2,195,334.90 and 865,674.95
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Solution
The fourth proportional to 1,590,807.60, 2,195,334.90 and 865,674.95 is: 1,194,642.53
Step by Step Solution
- Step 1: Write the proportion equation
1,590,807.60 : 2,195,334.90 = 865,674.95 : x - Step 2: Convert to fraction form
1,590,807.60/2,195,334.90 = 865,674.95/x - Step 3: Cross multiply
1,590,807.60x = 2,195,334.90 × 865,674.95 - Step 4: Simplify right side
1,590,807.60x = 1,900,446,418,814.08 - Step 5: Solve for x
x = 1,900,446,418,814.08/1,590,807.60 - Step 6: Final answer
x = 1,194,642.53
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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.