Finding the Fourth Proportional to 1,676,973.74, 2,515,766.92 and 778,291.70
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Solution
The fourth proportional to 1,676,973.74, 2,515,766.92 and 778,291.70 is: 1,167,579.71
Step by Step Solution
- Step 1: Write the proportion equation
1,676,973.74 : 2,515,766.92 = 778,291.70 : x - Step 2: Convert to fraction form
1,676,973.74/2,515,766.92 = 778,291.70/x - Step 3: Cross multiply
1,676,973.74x = 2,515,766.92 × 778,291.70 - Step 4: Simplify right side
1,676,973.74x = 1,958,000,512,970.56 - Step 5: Solve for x
x = 1,958,000,512,970.56/1,676,973.74 - Step 6: Final answer
x = 1,167,579.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.