Finding the Fourth Proportional to 1,624,774.25, 2,242,314.70 and 899,689.43
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Solution
The fourth proportional to 1,624,774.25, 2,242,314.70 and 899,689.43 is: 1,241,641.31
Step by Step Solution
- Step 1: Write the proportion equation
1,624,774.25 : 2,242,314.70 = 899,689.43 : x - Step 2: Convert to fraction form
1,624,774.25/2,242,314.70 = 899,689.43/x - Step 3: Cross multiply
1,624,774.25x = 2,242,314.70 × 899,689.43 - Step 4: Simplify right side
1,624,774.25x = 2,017,386,820,862.82 - Step 5: Solve for x
x = 2,017,386,820,862.82/1,624,774.25 - Step 6: Final answer
x = 1,241,641.31
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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.