Finding the Fourth Proportional to 1,869,194.68, 2,579,485.40 and 1,009,752.28
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Solution
The fourth proportional to 1,869,194.68, 2,579,485.40 and 1,009,752.28 is: 1,393,456.38
Step by Step Solution
- Step 1: Write the proportion equation
1,869,194.68 : 2,579,485.40 = 1,009,752.28 : x - Step 2: Convert to fraction form
1,869,194.68/2,579,485.40 = 1,009,752.28/x - Step 3: Cross multiply
1,869,194.68x = 2,579,485.40 × 1,009,752.28 - Step 4: Simplify right side
1,869,194.68x = 2,604,641,256,165.81 - Step 5: Solve for x
x = 2,604,641,256,165.81/1,869,194.68 - Step 6: Final answer
x = 1,393,456.38
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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.