Finding the Fourth Proportional to 5,249,407.08, 7,875,209.52 and 2,216,782.20
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Solution
The fourth proportional to 5,249,407.08, 7,875,209.52 and 2,216,782.20 is: 3,325,637.36
Step by Step Solution
- Step 1: Write the proportion equation
5,249,407.08 : 7,875,209.52 = 2,216,782.20 : x - Step 2: Convert to fraction form
5,249,407.08/7,875,209.52 = 2,216,782.20/x - Step 3: Cross multiply
5,249,407.08x = 7,875,209.52 × 2,216,782.20 - Step 4: Simplify right side
5,249,407.08x = 17,457,624,285,206.54 - Step 5: Solve for x
x = 17,457,624,285,206.54/5,249,407.08 - Step 6: Final answer
x = 3,325,637.36
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1.5x scale
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.