Home / 2,430,545.40-3,643,485.30-1,890,502.20

Finding the Fourth Proportional to 2,430,545.40, 3,643,485.30 and 1,890,502.20

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Solution

The fourth proportional to 2,430,545.40, 3,643,485.30 and 1,890,502.20 is: 2,833,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,545.40 : 3,643,485.30 = 1,890,502.20 : x
  2. Step 2: Convert to fraction form
    2,430,545.40/3,643,485.30 = 1,890,502.20/x
  3. Step 3: Cross multiply
    2,430,545.40x = 3,643,485.30 × 1,890,502.20
  4. Step 4: Simplify right side
    2,430,545.40x = 6,888,016,975,317.66
  5. Step 5: Solve for x
    x = 6,888,016,975,317.66/2,430,545.40
  6. Step 6: Final answer
    x = 2,833,938.83

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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.