Finding the Fourth Proportional to 4,158,127.68, 6,238,072.80 and 1,317,865.92
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Solution
The fourth proportional to 4,158,127.68, 6,238,072.80 and 1,317,865.92 is: 1,977,078.19
Step by Step Solution
- Step 1: Write the proportion equation
4,158,127.68 : 6,238,072.80 = 1,317,865.92 : x - Step 2: Convert to fraction form
4,158,127.68/6,238,072.80 = 1,317,865.92/x - Step 3: Cross multiply
4,158,127.68x = 6,238,072.80 × 1,317,865.92 - Step 4: Simplify right side
4,158,127.68x = 8,220,943,549,598.98 - Step 5: Solve for x
x = 8,220,943,549,598.98/4,158,127.68 - Step 6: Final answer
x = 1,977,078.19
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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.