Home / 2,934,947.60-4,402,421.40-2,021,656.40

Finding the Fourth Proportional to 2,934,947.60, 4,402,421.40 and 2,021,656.40

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Solution

The fourth proportional to 2,934,947.60, 4,402,421.40 and 2,021,656.40 is: 3,032,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,947.60 : 4,402,421.40 = 2,021,656.40 : x
  2. Step 2: Convert to fraction form
    2,934,947.60/4,402,421.40 = 2,021,656.40/x
  3. Step 3: Cross multiply
    2,934,947.60x = 4,402,421.40 × 2,021,656.40
  4. Step 4: Simplify right side
    2,934,947.60x = 8,900,183,398,806.96
  5. Step 5: Solve for x
    x = 8,900,183,398,806.96/2,934,947.60
  6. Step 6: Final answer
    x = 3,032,484.60

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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.