Finding the Fourth Proportional to 977,964.60, 1,466,946.90 and 971,743.80
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Solution
The fourth proportional to 977,964.60, 1,466,946.90 and 971,743.80 is: 1,457,615.70
Step by Step Solution
- Step 1: Write the proportion equation
977,964.60 : 1,466,946.90 = 971,743.80 : x - Step 2: Convert to fraction form
977,964.60/1,466,946.90 = 971,743.80/x - Step 3: Cross multiply
977,964.60x = 1,466,946.90 × 971,743.80 - Step 4: Simplify right side
977,964.60x = 1,425,496,555,004.22 - Step 5: Solve for x
x = 1,425,496,555,004.22/977,964.60 - Step 6: Final answer
x = 1,457,615.70
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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.