Finding the Fourth Proportional to 1,572,137.10, 2,356,164.45 and 728,894.70
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Solution
The fourth proportional to 1,572,137.10, 2,356,164.45 and 728,894.70 is: 1,092,395.68
Step by Step Solution
- Step 1: Write the proportion equation
1,572,137.10 : 2,356,164.45 = 728,894.70 : x - Step 2: Convert to fraction form
1,572,137.10/2,356,164.45 = 728,894.70/x - Step 3: Cross multiply
1,572,137.10x = 2,356,164.45 × 728,894.70 - Step 4: Simplify right side
1,572,137.10x = 1,717,395,779,933.42 - Step 5: Solve for x
x = 1,717,395,779,933.42/1,572,137.10 - Step 6: Final answer
x = 1,092,395.68
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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.