Home / 1,688,561.64-2,330,567.00-1,552,379.90

Finding the Fourth Proportional to 1,688,561.64, 2,330,567.00 and 1,552,379.90

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Solution

The fourth proportional to 1,688,561.64, 2,330,567.00 and 1,552,379.90 is: 2,142,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,561.64 : 2,330,567.00 = 1,552,379.90 : x
  2. Step 2: Convert to fraction form
    1,688,561.64/2,330,567.00 = 1,552,379.90/x
  3. Step 3: Cross multiply
    1,688,561.64x = 2,330,567.00 × 1,552,379.90
  4. Step 4: Simplify right side
    1,688,561.64x = 3,617,925,346,988.57
  5. Step 5: Solve for x
    x = 3,617,925,346,988.57/1,688,561.64
  6. Step 6: Final answer
    x = 2,142,607.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.