Finding the Fourth Proportional to 1,671,072.42, 2,306,077.65 and 907,126.05
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Solution
The fourth proportional to 1,671,072.42, 2,306,077.65 and 907,126.05 is: 1,251,832.71
Step by Step Solution
- Step 1: Write the proportion equation
1,671,072.42 : 2,306,077.65 = 907,126.05 : x - Step 2: Convert to fraction form
1,671,072.42/2,306,077.65 = 907,126.05/x - Step 3: Cross multiply
1,671,072.42x = 2,306,077.65 × 907,126.05 - Step 4: Simplify right side
1,671,072.42x = 2,091,903,109,637.78 - Step 5: Solve for x
x = 2,091,903,109,637.78/1,671,072.42 - Step 6: Final answer
x = 1,251,832.71
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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.