Finding the Fourth Proportional to 5,583,772.80, 7,710,396.84 and 5,403,214.08
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Solution
The fourth proportional to 5,583,772.80, 7,710,396.84 and 5,403,214.08 is: 7,461,070.90
Step by Step Solution
- Step 1: Write the proportion equation
5,583,772.80 : 7,710,396.84 = 5,403,214.08 : x - Step 2: Convert to fraction form
5,583,772.80/7,710,396.84 = 5,403,214.08/x - Step 3: Cross multiply
5,583,772.80x = 7,710,396.84 × 5,403,214.08 - Step 4: Simplify right side
5,583,772.80x = 41,660,924,768,275.51 - Step 5: Solve for x
x = 41,660,924,768,275.51/5,583,772.80 - Step 6: Final answer
x = 7,461,070.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.