Home / 5,641,539.20-8,461,444.80-1,855,030.40

Finding the Fourth Proportional to 5,641,539.20, 8,461,444.80 and 1,855,030.40

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Solution

The fourth proportional to 5,641,539.20, 8,461,444.80 and 1,855,030.40 is: 2,782,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641,539.20 : 8,461,444.80 = 1,855,030.40 : x
  2. Step 2: Convert to fraction form
    5,641,539.20/8,461,444.80 = 1,855,030.40/x
  3. Step 3: Cross multiply
    5,641,539.20x = 8,461,444.80 × 1,855,030.40
  4. Step 4: Simplify right side
    5,641,539.20x = 15,696,237,331,921.92
  5. Step 5: Solve for x
    x = 15,696,237,331,921.92/5,641,539.20
  6. Step 6: Final answer
    x = 2,782,261.50

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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.