Finding the Fourth Proportional to 1,706,073.78, 2,355,148.08 and 1,125,638.52
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Solution
The fourth proportional to 1,706,073.78, 2,355,148.08 and 1,125,638.52 is: 1,553,886.73
Step by Step Solution
- Step 1: Write the proportion equation
1,706,073.78 : 2,355,148.08 = 1,125,638.52 : x - Step 2: Convert to fraction form
1,706,073.78/2,355,148.08 = 1,125,638.52/x - Step 3: Cross multiply
1,706,073.78x = 2,355,148.08 × 1,125,638.52 - Step 4: Simplify right side
1,706,073.78x = 2,651,045,399,152.04 - Step 5: Solve for x
x = 2,651,045,399,152.04/1,706,073.78 - Step 6: Final answer
x = 1,553,886.73
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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.