Finding the Fourth Proportional to 2,637,407.42, 3,639,427.44 and 1,475,699.48
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Solution
The fourth proportional to 2,637,407.42, 3,639,427.44 and 1,475,699.48 is: 2,036,356.29
Step by Step Solution
- Step 1: Write the proportion equation
2,637,407.42 : 3,639,427.44 = 1,475,699.48 : x - Step 2: Convert to fraction form
2,637,407.42/3,639,427.44 = 1,475,699.48/x - Step 3: Cross multiply
2,637,407.42x = 3,639,427.44 × 1,475,699.48 - Step 4: Simplify right side
2,637,407.42x = 5,370,701,180,705.73 - Step 5: Solve for x
x = 5,370,701,180,705.73/2,637,407.42 - Step 6: Final answer
x = 2,036,356.29
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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.