Home / 5,477,417.40-8,216,903.70-1,690,505.40

Finding the Fourth Proportional to 5,477,417.40, 8,216,903.70 and 1,690,505.40

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Solution

The fourth proportional to 5,477,417.40, 8,216,903.70 and 1,690,505.40 is: 2,535,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477,417.40 : 8,216,903.70 = 1,690,505.40 : x
  2. Step 2: Convert to fraction form
    5,477,417.40/8,216,903.70 = 1,690,505.40/x
  3. Step 3: Cross multiply
    5,477,417.40x = 8,216,903.70 × 1,690,505.40
  4. Step 4: Simplify right side
    5,477,417.40x = 13,890,720,076,129.98
  5. Step 5: Solve for x
    x = 13,890,720,076,129.98/5,477,417.40
  6. Step 6: Final answer
    x = 2,535,998.09

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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.