Finding the Fourth Proportional to 1,658,953.90, 2,489,398.65 and 699,351.18
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Solution
The fourth proportional to 1,658,953.90, 2,489,398.65 and 699,351.18 is: 1,049,434.76
Step by Step Solution
- Step 1: Write the proportion equation
1,658,953.90 : 2,489,398.65 = 699,351.18 : x - Step 2: Convert to fraction form
1,658,953.90/2,489,398.65 = 699,351.18/x - Step 3: Cross multiply
1,658,953.90x = 2,489,398.65 × 699,351.18 - Step 4: Simplify right side
1,658,953.90x = 1,740,963,883,367.91 - Step 5: Solve for x
x = 1,740,963,883,367.91/1,658,953.90 - Step 6: Final answer
x = 1,049,434.76
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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.