Finding the Fourth Proportional to 4,113,127.12, 6,169,977.88 and 1,272,865.36
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Solution
The fourth proportional to 4,113,127.12, 6,169,977.88 and 1,272,865.36 is: 1,909,386.92
Step by Step Solution
- Step 1: Write the proportion equation
4,113,127.12 : 6,169,977.88 = 1,272,865.36 : x - Step 2: Convert to fraction form
4,113,127.12/6,169,977.88 = 1,272,865.36/x - Step 3: Cross multiply
4,113,127.12x = 6,169,977.88 × 1,272,865.36 - Step 4: Simplify right side
4,113,127.12x = 7,853,551,115,418.24 - Step 5: Solve for x
x = 7,853,551,115,418.24/4,113,127.12 - Step 6: Final answer
x = 1,909,386.92
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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.