Finding the Fourth Proportional to 1,938,854.22, 2,909,609.84 and 676,681.84
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Solution
The fourth proportional to 1,938,854.22, 2,909,609.84 and 676,681.84 is: 1,015,486.42
Step by Step Solution
- Step 1: Write the proportion equation
1,938,854.22 : 2,909,609.84 = 676,681.84 : x - Step 2: Convert to fraction form
1,938,854.22/2,909,609.84 = 676,681.84/x - Step 3: Cross multiply
1,938,854.22x = 2,909,609.84 × 676,681.84 - Step 4: Simplify right side
1,938,854.22x = 1,968,880,140,213.31 - Step 5: Solve for x
x = 1,968,880,140,213.31/1,938,854.22 - Step 6: Final answer
x = 1,015,486.42
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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.