Finding the Fourth Proportional to 6,490,637.92, 9,736,510.92 and 1,698,323.14
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Solution
The fourth proportional to 6,490,637.92, 9,736,510.92 and 1,698,323.14 is: 2,547,629.68
Step by Step Solution
- Step 1: Write the proportion equation
6,490,637.92 : 9,736,510.92 = 1,698,323.14 : x - Step 2: Convert to fraction form
6,490,637.92/9,736,510.92 = 1,698,323.14/x - Step 3: Cross multiply
6,490,637.92x = 9,736,510.92 × 1,698,323.14 - Step 4: Simplify right side
6,490,637.92x = 16,535,741,798,298.69 - Step 5: Solve for x
x = 16,535,741,798,298.69/6,490,637.92 - Step 6: Final answer
x = 2,547,629.68
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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.