Finding the Fourth Proportional to 1,604,592.84, 2,214,237.74 and 879,389.12
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Solution
The fourth proportional to 1,604,592.84, 2,214,237.74 and 879,389.12 is: 1,213,501.97
Step by Step Solution
- Step 1: Write the proportion equation
1,604,592.84 : 2,214,237.74 = 879,389.12 : x - Step 2: Convert to fraction form
1,604,592.84/2,214,237.74 = 879,389.12/x - Step 3: Cross multiply
1,604,592.84x = 2,214,237.74 × 879,389.12 - Step 4: Simplify right side
1,604,592.84x = 1,947,176,577,649.39 - Step 5: Solve for x
x = 1,947,176,577,649.39/1,604,592.84 - Step 6: Final answer
x = 1,213,501.97
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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.