Finding the Fourth Proportional to 1,725,420.15, 2,588,132.05 and 1,722,928.19
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Solution
The fourth proportional to 1,725,420.15, 2,588,132.05 and 1,722,928.19 is: 2,584,394.10
Step by Step Solution
- Step 1: Write the proportion equation
1,725,420.15 : 2,588,132.05 = 1,722,928.19 : x - Step 2: Convert to fraction form
1,725,420.15/2,588,132.05 = 1,722,928.19/x - Step 3: Cross multiply
1,725,420.15x = 2,588,132.05 × 1,722,928.19 - Step 4: Simplify right side
1,725,420.15x = 4,459,165,651,139.51 - Step 5: Solve for x
x = 4,459,165,651,139.51/1,725,420.15 - Step 6: Final answer
x = 2,584,394.10
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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.