Home / 5,205,643.20-7,807,298.40-3,421,051.20

Finding the Fourth Proportional to 5,205,643.20, 7,807,298.40 and 3,421,051.20

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Solution

The fourth proportional to 5,205,643.20, 7,807,298.40 and 3,421,051.20 is: 5,130,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,643.20 : 7,807,298.40 = 3,421,051.20 : x
  2. Step 2: Convert to fraction form
    5,205,643.20/7,807,298.40 = 3,421,051.20/x
  3. Step 3: Cross multiply
    5,205,643.20x = 7,807,298.40 × 3,421,051.20
  4. Step 4: Simplify right side
    5,205,643.20x = 26,709,167,560,078.08
  5. Step 5: Solve for x
    x = 26,709,167,560,078.08/5,205,643.20
  6. Step 6: Final answer
    x = 5,130,810.26

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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.