Finding the Fourth Proportional to 1,763,031.60, 2,645,422.20 and 698,108.40
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Solution
The fourth proportional to 1,763,031.60, 2,645,422.20 and 698,108.40 is: 1,047,508.99
Step by Step Solution
- Step 1: Write the proportion equation
1,763,031.60 : 2,645,422.20 = 698,108.40 : x - Step 2: Convert to fraction form
1,763,031.60/2,645,422.20 = 698,108.40/x - Step 3: Cross multiply
1,763,031.60x = 2,645,422.20 × 698,108.40 - Step 4: Simplify right side
1,763,031.60x = 1,846,791,459,366.48 - Step 5: Solve for x
x = 1,846,791,459,366.48/1,763,031.60 - Step 6: Final answer
x = 1,047,508.99
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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.