Home / 3,020,106.40-4,168,343.64-1,731,817.60

Finding the Fourth Proportional to 3,020,106.40, 4,168,343.64 and 1,731,817.60

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Solution

The fourth proportional to 3,020,106.40, 4,168,343.64 and 1,731,817.60 is: 2,390,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,106.40 : 4,168,343.64 = 1,731,817.60 : x
  2. Step 2: Convert to fraction form
    3,020,106.40/4,168,343.64 = 1,731,817.60/x
  3. Step 3: Cross multiply
    3,020,106.40x = 4,168,343.64 × 1,731,817.60
  4. Step 4: Simplify right side
    3,020,106.40x = 7,218,810,878,600.07
  5. Step 5: Solve for x
    x = 7,218,810,878,600.07/3,020,106.40
  6. Step 6: Final answer
    x = 2,390,250.52

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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.