Finding the Fourth Proportional to 1,430,619.90, 2,146,938.30 and 672,496.08
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Solution
The fourth proportional to 1,430,619.90, 2,146,938.30 and 672,496.08 is: 1,009,218.17
Step by Step Solution
- Step 1: Write the proportion equation
1,430,619.90 : 2,146,938.30 = 672,496.08 : x - Step 2: Convert to fraction form
1,430,619.90/2,146,938.30 = 672,496.08/x - Step 3: Cross multiply
1,430,619.90x = 2,146,938.30 × 672,496.08 - Step 4: Simplify right side
1,430,619.90x = 1,443,807,590,751.86 - Step 5: Solve for x
x = 1,443,807,590,751.86/1,430,619.90 - Step 6: Final answer
x = 1,009,218.17
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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.