Home / 1,686,023.40-2,529,035.10-977,435.40

Finding the Fourth Proportional to 1,686,023.40, 2,529,035.10 and 977,435.40

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Solution

The fourth proportional to 1,686,023.40, 2,529,035.10 and 977,435.40 is: 1,466,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,023.40 : 2,529,035.10 = 977,435.40 : x
  2. Step 2: Convert to fraction form
    1,686,023.40/2,529,035.10 = 977,435.40/x
  3. Step 3: Cross multiply
    1,686,023.40x = 2,529,035.10 × 977,435.40
  4. Step 4: Simplify right side
    1,686,023.40x = 2,471,968,434,582.54
  5. Step 5: Solve for x
    x = 2,471,968,434,582.54/1,686,023.40
  6. Step 6: Final answer
    x = 1,466,153.10

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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.