Finding the Fourth Proportional to 4,773,782.76, 7,158,968.54 and 1,578,319.08
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Solution
The fourth proportional to 4,773,782.76, 7,158,968.54 and 1,578,319.08 is: 2,366,914.71
Step by Step Solution
- Step 1: Write the proportion equation
4,773,782.76 : 7,158,968.54 = 1,578,319.08 : x - Step 2: Convert to fraction form
4,773,782.76/7,158,968.54 = 1,578,319.08/x - Step 3: Cross multiply
4,773,782.76x = 7,158,968.54 × 1,578,319.08 - Step 4: Simplify right side
4,773,782.76x = 11,299,136,639,801.74 - Step 5: Solve for x
x = 11,299,136,639,801.74/4,773,782.76 - Step 6: Final answer
x = 2,366,914.71
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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.