Finding the Fourth Proportional to 1,685,877.78, 2,326,691.63 and 1,032,937.12
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Solution
The fourth proportional to 1,685,877.78, 2,326,691.63 and 1,032,937.12 is: 1,425,563.69
Step by Step Solution
- Step 1: Write the proportion equation
1,685,877.78 : 2,326,691.63 = 1,032,937.12 : x - Step 2: Convert to fraction form
1,685,877.78/2,326,691.63 = 1,032,937.12/x - Step 3: Cross multiply
1,685,877.78x = 2,326,691.63 × 1,032,937.12 - Step 4: Simplify right side
1,685,877.78x = 2,403,326,151,420.31 - Step 5: Solve for x
x = 2,403,326,151,420.31/1,685,877.78 - Step 6: Final answer
x = 1,425,563.69
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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.