Finding the Fourth Proportional to 3,249,948.78, 4,484,874.65 and 1,799,613.09
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Solution
The fourth proportional to 3,249,948.78, 4,484,874.65 and 1,799,613.09 is: 2,483,435.79
Step by Step Solution
- Step 1: Write the proportion equation
3,249,948.78 : 4,484,874.65 = 1,799,613.09 : x - Step 2: Convert to fraction form
3,249,948.78/4,484,874.65 = 1,799,613.09/x - Step 3: Cross multiply
3,249,948.78x = 4,484,874.65 × 1,799,613.09 - Step 4: Simplify right side
3,249,948.78x = 8,071,039,118,151.10 - Step 5: Solve for x
x = 8,071,039,118,151.10/3,249,948.78 - Step 6: Final answer
x = 2,483,435.79
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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.