Finding the Fourth Proportional to 1,808,356.84, 2,495,496.79 and 1,023,408.21
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Solution
The fourth proportional to 1,808,356.84, 2,495,496.79 and 1,023,408.21 is: 1,412,283.15
Step by Step Solution
- Step 1: Write the proportion equation
1,808,356.84 : 2,495,496.79 = 1,023,408.21 : x - Step 2: Convert to fraction form
1,808,356.84/2,495,496.79 = 1,023,408.21/x - Step 3: Cross multiply
1,808,356.84x = 2,495,496.79 × 1,023,408.21 - Step 4: Simplify right side
1,808,356.84x = 2,553,911,902,914.65 - Step 5: Solve for x
x = 2,553,911,902,914.65/1,808,356.84 - Step 6: Final answer
x = 1,412,283.15
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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.