Finding the Fourth Proportional to 1,665,637.42, 2,298,587.09 and 901,690.98
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Solution
The fourth proportional to 1,665,637.42, 2,298,587.09 and 901,690.98 is: 1,244,337.59
Step by Step Solution
- Step 1: Write the proportion equation
1,665,637.42 : 2,298,587.09 = 901,690.98 : x - Step 2: Convert to fraction form
1,665,637.42/2,298,587.09 = 901,690.98/x - Step 3: Cross multiply
1,665,637.42x = 2,298,587.09 × 901,690.98 - Step 4: Simplify right side
1,665,637.42x = 2,072,615,238,923.87 - Step 5: Solve for x
x = 2,072,615,238,923.87/1,665,637.42 - Step 6: Final answer
x = 1,244,337.59
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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.