Finding the Fourth Proportional to 1,415,683.90, 1,953,574.76 and 803,756.44
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Solution
The fourth proportional to 1,415,683.90, 1,953,574.76 and 803,756.44 is: 1,109,144.70
Step by Step Solution
- Step 1: Write the proportion equation
1,415,683.90 : 1,953,574.76 = 803,756.44 : x - Step 2: Convert to fraction form
1,415,683.90/1,953,574.76 = 803,756.44/x - Step 3: Cross multiply
1,415,683.90x = 1,953,574.76 × 803,756.44 - Step 4: Simplify right side
1,415,683.90x = 1,570,198,294,371.45 - Step 5: Solve for x
x = 1,570,198,294,371.45/1,415,683.90 - Step 6: Final answer
x = 1,109,144.70
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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.