Home / 2,913,610.40-4,370,415.60-1,779,869.60

Finding the Fourth Proportional to 2,913,610.40, 4,370,415.60 and 1,779,869.60

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Solution

The fourth proportional to 2,913,610.40, 4,370,415.60 and 1,779,869.60 is: 2,669,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,610.40 : 4,370,415.60 = 1,779,869.60 : x
  2. Step 2: Convert to fraction form
    2,913,610.40/4,370,415.60 = 1,779,869.60/x
  3. Step 3: Cross multiply
    2,913,610.40x = 4,370,415.60 × 1,779,869.60
  4. Step 4: Simplify right side
    2,913,610.40x = 7,778,769,865,805.76
  5. Step 5: Solve for x
    x = 7,778,769,865,805.76/2,913,610.40
  6. Step 6: Final answer
    x = 2,669,804.40

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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.