Home / 5,430,072.90-8,146,030.95-1,643,525.70

Finding the Fourth Proportional to 5,430,072.90, 8,146,030.95 and 1,643,525.70

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Solution

The fourth proportional to 5,430,072.90, 8,146,030.95 and 1,643,525.70 is: 2,465,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,072.90 : 8,146,030.95 = 1,643,525.70 : x
  2. Step 2: Convert to fraction form
    5,430,072.90/8,146,030.95 = 1,643,525.70/x
  3. Step 3: Cross multiply
    5,430,072.90x = 8,146,030.95 × 1,643,525.70
  4. Step 4: Simplify right side
    5,430,072.90x = 13,388,211,219,320.41
  5. Step 5: Solve for x
    x = 13,388,211,219,320.41/5,430,072.90
  6. Step 6: Final answer
    x = 2,465,567.49

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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.