Home / 2,134,503.40-3,200,718.30-1,186,868.20

Finding the Fourth Proportional to 2,134,503.40, 3,200,718.30 and 1,186,868.20

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Solution

The fourth proportional to 2,134,503.40, 3,200,718.30 and 1,186,868.20 is: 1,779,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,503.40 : 3,200,718.30 = 1,186,868.20 : x
  2. Step 2: Convert to fraction form
    2,134,503.40/3,200,718.30 = 1,186,868.20/x
  3. Step 3: Cross multiply
    2,134,503.40x = 3,200,718.30 × 1,186,868.20
  4. Step 4: Simplify right side
    2,134,503.40x = 3,798,830,767,428.06
  5. Step 5: Solve for x
    x = 3,798,830,767,428.06/2,134,503.40
  6. Step 6: Final answer
    x = 1,779,725.80

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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.