Finding the Fourth Proportional to 1,847,577.60, 2,547,417.60 and 1,418,342.40
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Solution
The fourth proportional to 1,847,577.60, 2,547,417.60 and 1,418,342.40 is: 1,955,593.31
Step by Step Solution
- Step 1: Write the proportion equation
1,847,577.60 : 2,547,417.60 = 1,418,342.40 : x - Step 2: Convert to fraction form
1,847,577.60/2,547,417.60 = 1,418,342.40/x - Step 3: Cross multiply
1,847,577.60x = 2,547,417.60 × 1,418,342.40 - Step 4: Simplify right side
1,847,577.60x = 3,613,110,392,586.24 - Step 5: Solve for x
x = 3,613,110,392,586.24/1,847,577.60 - Step 6: Final answer
x = 1,955,593.31
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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.