Finding the Fourth Proportional to 1,605,260.66, 2,215,281.30 and 880,106.63
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Solution
The fourth proportional to 1,605,260.66, 2,215,281.30 and 880,106.63 is: 1,214,558.99
Step by Step Solution
- Step 1: Write the proportion equation
1,605,260.66 : 2,215,281.30 = 880,106.63 : x - Step 2: Convert to fraction form
1,605,260.66/2,215,281.30 = 880,106.63/x - Step 3: Cross multiply
1,605,260.66x = 2,215,281.30 × 880,106.63 - Step 4: Simplify right side
1,605,260.66x = 1,949,683,759,445.02 - Step 5: Solve for x
x = 1,949,683,759,445.02/1,605,260.66 - Step 6: Final answer
x = 1,214,558.99
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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.