Finding the Fourth Proportional to 2,445,702.90, 3,668,554.35 and 762,803.70
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Solution
The fourth proportional to 2,445,702.90, 3,668,554.35 and 762,803.70 is: 1,144,205.55
Step by Step Solution
- Step 1: Write the proportion equation
2,445,702.90 : 3,668,554.35 = 762,803.70 : x - Step 2: Convert to fraction form
2,445,702.90/3,668,554.35 = 762,803.70/x - Step 3: Cross multiply
2,445,702.90x = 3,668,554.35 × 762,803.70 - Step 4: Simplify right side
2,445,702.90x = 2,798,386,831,831.09 - Step 5: Solve for x
x = 2,798,386,831,831.09/2,445,702.90 - Step 6: Final answer
x = 1,144,205.55
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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.