Finding the Fourth Proportional to 1,708,416.90, 2,358,209.06 and 983,553.52
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Solution
The fourth proportional to 1,708,416.90, 2,358,209.06 and 983,553.52 is: 1,357,645.68
Step by Step Solution
- Step 1: Write the proportion equation
1,708,416.90 : 2,358,209.06 = 983,553.52 : x - Step 2: Convert to fraction form
1,708,416.90/2,358,209.06 = 983,553.52/x - Step 3: Cross multiply
1,708,416.90x = 2,358,209.06 × 983,553.52 - Step 4: Simplify right side
1,708,416.90x = 2,319,424,824,317.78 - Step 5: Solve for x
x = 2,319,424,824,317.78/1,708,416.90 - Step 6: Final answer
x = 1,357,645.68
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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.