Finding the Fourth Proportional to 3,130,909.39, 4,697,034.09 and 971,887.06
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Solution
The fourth proportional to 3,130,909.39, 4,697,034.09 and 971,887.06 is: 1,458,038.57
Step by Step Solution
- Step 1: Write the proportion equation
3,130,909.39 : 4,697,034.09 = 971,887.06 : x - Step 2: Convert to fraction form
3,130,909.39/4,697,034.09 = 971,887.06/x - Step 3: Cross multiply
3,130,909.39x = 4,697,034.09 × 971,887.06 - Step 4: Simplify right side
3,130,909.39x = 4,564,986,652,449.88 - Step 5: Solve for x
x = 4,564,986,652,449.88/3,130,909.39 - Step 6: Final answer
x = 1,458,038.57
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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.