Finding the Fourth Proportional to 1,881,421.98, 2,596,410.63 and 1,022,031.42
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Solution
The fourth proportional to 1,881,421.98, 2,596,410.63 and 1,022,031.42 is: 1,410,429.60
Step by Step Solution
- Step 1: Write the proportion equation
1,881,421.98 : 2,596,410.63 = 1,022,031.42 : x - Step 2: Convert to fraction form
1,881,421.98/2,596,410.63 = 1,022,031.42/x - Step 3: Cross multiply
1,881,421.98x = 2,596,410.63 × 1,022,031.42 - Step 4: Simplify right side
1,881,421.98x = 2,653,613,243,081.99 - Step 5: Solve for x
x = 2,653,613,243,081.99/1,881,421.98 - Step 6: Final answer
x = 1,410,429.60
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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.