Finding the Fourth Proportional to 1,708,319.60, 2,563,463.55 and 644,125.40
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Solution
The fourth proportional to 1,708,319.60, 2,563,463.55 and 644,125.40 is: 966,559.18
Step by Step Solution
- Step 1: Write the proportion equation
1,708,319.60 : 2,563,463.55 = 644,125.40 : x - Step 2: Convert to fraction form
1,708,319.60/2,563,463.55 = 644,125.40/x - Step 3: Cross multiply
1,708,319.60x = 2,563,463.55 × 644,125.40 - Step 4: Simplify right side
1,708,319.60x = 1,651,191,984,529.17 - Step 5: Solve for x
x = 1,651,191,984,529.17/1,708,319.60 - Step 6: Final answer
x = 966,559.18
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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.