Finding the Fourth Proportional to 3,539,637.70, 5,312,221.35 and 1,646,613.70
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Solution
The fourth proportional to 3,539,637.70, 5,312,221.35 and 1,646,613.70 is: 2,471,206.71
Step by Step Solution
- Step 1: Write the proportion equation
3,539,637.70 : 5,312,221.35 = 1,646,613.70 : x - Step 2: Convert to fraction form
3,539,637.70/5,312,221.35 = 1,646,613.70/x - Step 3: Cross multiply
3,539,637.70x = 5,312,221.35 × 1,646,613.70 - Step 4: Simplify right side
3,539,637.70x = 8,747,176,452,342.49 - Step 5: Solve for x
x = 8,747,176,452,342.49/3,539,637.70 - Step 6: Final answer
x = 2,471,206.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.