Finding the Fourth Proportional to 1,437,853.79, 2,155,140.67 and 898,358.15
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Solution
The fourth proportional to 1,437,853.79, 2,155,140.67 and 898,358.15 is: 1,346,512.56
Step by Step Solution
- Step 1: Write the proportion equation
1,437,853.79 : 2,155,140.67 = 898,358.15 : x - Step 2: Convert to fraction form
1,437,853.79/2,155,140.67 = 898,358.15/x - Step 3: Cross multiply
1,437,853.79x = 2,155,140.67 × 898,358.15 - Step 4: Simplify right side
1,437,853.79x = 1,936,088,185,290.96 - Step 5: Solve for x
x = 1,936,088,185,290.96/1,437,853.79 - Step 6: Final answer
x = 1,346,512.56
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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.