Finding the Fourth Proportional to 1,557,617.19, 2,149,539.71 and 913,501.95
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Solution
The fourth proportional to 1,557,617.19, 2,149,539.71 and 913,501.95 is: 1,260,649.10
Step by Step Solution
- Step 1: Write the proportion equation
1,557,617.19 : 2,149,539.71 = 913,501.95 : x - Step 2: Convert to fraction form
1,557,617.19/2,149,539.71 = 913,501.95/x - Step 3: Cross multiply
1,557,617.19x = 2,149,539.71 × 913,501.95 - Step 4: Simplify right side
1,557,617.19x = 1,963,608,710,910.42 - Step 5: Solve for x
x = 1,963,608,710,910.42/1,557,617.19 - Step 6: Final answer
x = 1,260,649.10
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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.