Home / 1,595,715.40-2,390,948.70-1,328,026.60

Finding the Fourth Proportional to 1,595,715.40, 2,390,948.70 and 1,328,026.60

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Solution

The fourth proportional to 1,595,715.40, 2,390,948.70 and 1,328,026.60 is: 1,989,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,715.40 : 2,390,948.70 = 1,328,026.60 : x
  2. Step 2: Convert to fraction form
    1,595,715.40/2,390,948.70 = 1,328,026.60/x
  3. Step 3: Cross multiply
    1,595,715.40x = 2,390,948.70 × 1,328,026.60
  4. Step 4: Simplify right side
    1,595,715.40x = 3,175,243,472,835.42
  5. Step 5: Solve for x
    x = 3,175,243,472,835.42/1,595,715.40
  6. Step 6: Final answer
    x = 1,989,855.76

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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.