Finding the Fourth Proportional to 5,249,644.30, 7,245,448.60 and 3,074,060.44
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Solution
The fourth proportional to 5,249,644.30, 7,245,448.60 and 3,074,060.44 is: 4,242,753.53
Step by Step Solution
- Step 1: Write the proportion equation
5,249,644.30 : 7,245,448.60 = 3,074,060.44 : x - Step 2: Convert to fraction form
5,249,644.30/7,245,448.60 = 3,074,060.44/x - Step 3: Cross multiply
5,249,644.30x = 7,245,448.60 × 3,074,060.44 - Step 4: Simplify right side
5,249,644.30x = 22,272,946,911,313.38 - Step 5: Solve for x
x = 22,272,946,911,313.38/5,249,644.30 - Step 6: Final answer
x = 4,242,753.53
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1.5x scale
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.