Finding the Fourth Proportional to 1,687,259.10, 2,531,110.65 and 623,048.70
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Solution
The fourth proportional to 1,687,259.10, 2,531,110.65 and 623,048.70 is: 934,655.03
Step by Step Solution
- Step 1: Write the proportion equation
1,687,259.10 : 2,531,110.65 = 623,048.70 : x - Step 2: Convert to fraction form
1,687,259.10/2,531,110.65 = 623,048.70/x - Step 3: Cross multiply
1,687,259.10x = 2,531,110.65 × 623,048.70 - Step 4: Simplify right side
1,687,259.10x = 1,577,005,200,038.65 - Step 5: Solve for x
x = 1,577,005,200,038.65/1,687,259.10 - Step 6: Final answer
x = 934,655.03
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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.