Finding the Fourth Proportional to 1,947,893.67, 2,688,041.70 and 1,088,460.99
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Solution
The fourth proportional to 1,947,893.67, 2,688,041.70 and 1,088,460.99 is: 1,502,047.35
Step by Step Solution
- Step 1: Write the proportion equation
1,947,893.67 : 2,688,041.70 = 1,088,460.99 : x - Step 2: Convert to fraction form
1,947,893.67/2,688,041.70 = 1,088,460.99/x - Step 3: Cross multiply
1,947,893.67x = 2,688,041.70 × 1,088,460.99 - Step 4: Simplify right side
1,947,893.67x = 2,925,828,529,943.28 - Step 5: Solve for x
x = 2,925,828,529,943.28/1,947,893.67 - Step 6: Final answer
x = 1,502,047.35
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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.