Home / 1,565,153.10-2,347,729.65-1,210,421.70

Finding the Fourth Proportional to 1,565,153.10, 2,347,729.65 and 1,210,421.70

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Solution

The fourth proportional to 1,565,153.10, 2,347,729.65 and 1,210,421.70 is: 1,815,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,153.10 : 2,347,729.65 = 1,210,421.70 : x
  2. Step 2: Convert to fraction form
    1,565,153.10/2,347,729.65 = 1,210,421.70/x
  3. Step 3: Cross multiply
    1,565,153.10x = 2,347,729.65 × 1,210,421.70
  4. Step 4: Simplify right side
    1,565,153.10x = 2,841,742,914,093.41
  5. Step 5: Solve for x
    x = 2,841,742,914,093.41/1,565,153.10
  6. Step 6: Final answer
    x = 1,815,632.55

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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.