Finding the Fourth Proportional to 1,728,000.90, 2,592,001.35 and 1,602,029.70
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Solution
The fourth proportional to 1,728,000.90, 2,592,001.35 and 1,602,029.70 is: 2,403,044.55
Step by Step Solution
- Step 1: Write the proportion equation
1,728,000.90 : 2,592,001.35 = 1,602,029.70 : x - Step 2: Convert to fraction form
1,728,000.90/2,592,001.35 = 1,602,029.70/x - Step 3: Cross multiply
1,728,000.90x = 2,592,001.35 × 1,602,029.70 - Step 4: Simplify right side
1,728,000.90x = 4,152,463,145,140.10 - Step 5: Solve for x
x = 4,152,463,145,140.10/1,728,000.90 - Step 6: Final answer
x = 2,403,044.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.