Finding the Fourth Proportional to 1,878,386.15, 2,592,173.75 and 1,062,572.58
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Solution
The fourth proportional to 1,878,386.15, 2,592,173.75 and 1,062,572.58 is: 1,466,350.64
Step by Step Solution
- Step 1: Write the proportion equation
1,878,386.15 : 2,592,173.75 = 1,062,572.58 : x - Step 2: Convert to fraction form
1,878,386.15/2,592,173.75 = 1,062,572.58/x - Step 3: Cross multiply
1,878,386.15x = 2,592,173.75 × 1,062,572.58 - Step 4: Simplify right side
1,878,386.15x = 2,754,372,744,032.91 - Step 5: Solve for x
x = 2,754,372,744,032.91/1,878,386.15 - Step 6: Final answer
x = 1,466,350.64
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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.