Finding the Fourth Proportional to 4,430,831.49, 6,645,656.48 and 1,235,690.10
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Solution
The fourth proportional to 4,430,831.49, 6,645,656.48 and 1,235,690.10 is: 1,853,370.40
Step by Step Solution
- Step 1: Write the proportion equation
4,430,831.49 : 6,645,656.48 = 1,235,690.10 : x - Step 2: Convert to fraction form
4,430,831.49/6,645,656.48 = 1,235,690.10/x - Step 3: Cross multiply
4,430,831.49x = 6,645,656.48 × 1,235,690.10 - Step 4: Simplify right side
4,430,831.49x = 8,211,971,914,158.40 - Step 5: Solve for x
x = 8,211,971,914,158.40/4,430,831.49 - Step 6: Final answer
x = 1,853,370.40
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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.