Finding the Fourth Proportional to 2,130,194.40, 3,195,307.80 and 710,248.20
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Solution
The fourth proportional to 2,130,194.40, 3,195,307.80 and 710,248.20 is: 1,065,377.70
Step by Step Solution
- Step 1: Write the proportion equation
2,130,194.40 : 3,195,307.80 = 710,248.20 : x - Step 2: Convert to fraction form
2,130,194.40/3,195,307.80 = 710,248.20/x - Step 3: Cross multiply
2,130,194.40x = 3,195,307.80 × 710,248.20 - Step 4: Simplify right side
2,130,194.40x = 2,269,461,613,395.96 - Step 5: Solve for x
x = 2,269,461,613,395.96/2,130,194.40 - Step 6: Final answer
x = 1,065,377.70
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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.