Finding the Fourth Proportional to 2,249,630.80, 3,374,742.20 and 830,683.60
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Solution
The fourth proportional to 2,249,630.80, 3,374,742.20 and 830,683.60 is: 1,246,134.70
Step by Step Solution
- Step 1: Write the proportion equation
2,249,630.80 : 3,374,742.20 = 830,683.60 : x - Step 2: Convert to fraction form
2,249,630.80/3,374,742.20 = 830,683.60/x - Step 3: Cross multiply
2,249,630.80x = 3,374,742.20 × 830,683.60 - Step 4: Simplify right side
2,249,630.80x = 2,803,342,999,767.92 - Step 5: Solve for x
x = 2,803,342,999,767.92/2,249,630.80 - Step 6: Final answer
x = 1,246,134.70
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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.