Home / 2,103,459.40-3,155,189.10-983,715.40

Finding the Fourth Proportional to 2,103,459.40, 3,155,189.10 and 983,715.40

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Solution

The fourth proportional to 2,103,459.40, 3,155,189.10 and 983,715.40 is: 1,475,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,459.40 : 3,155,189.10 = 983,715.40 : x
  2. Step 2: Convert to fraction form
    2,103,459.40/3,155,189.10 = 983,715.40/x
  3. Step 3: Cross multiply
    2,103,459.40x = 3,155,189.10 × 983,715.40
  4. Step 4: Simplify right side
    2,103,459.40x = 3,103,808,107,582.14
  5. Step 5: Solve for x
    x = 3,103,808,107,582.14/2,103,459.40
  6. Step 6: Final answer
    x = 1,475,573.10

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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.