Finding the Fourth Proportional to 1,793,785.34, 2,475,423.05 and 977,989.70
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Solution
The fourth proportional to 1,793,785.34, 2,475,423.05 and 977,989.70 is: 1,349,625.39
Step by Step Solution
- Step 1: Write the proportion equation
1,793,785.34 : 2,475,423.05 = 977,989.70 : x - Step 2: Convert to fraction form
1,793,785.34/2,475,423.05 = 977,989.70/x - Step 3: Cross multiply
1,793,785.34x = 2,475,423.05 × 977,989.70 - Step 4: Simplify right side
1,793,785.34x = 2,420,938,247,341.19 - Step 5: Solve for x
x = 2,420,938,247,341.19/1,793,785.34 - Step 6: Final answer
x = 1,349,625.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.