Home / 1,880,225.69-2,592,140.73-1,291,507.16

Finding the Fourth Proportional to 1,880,225.69, 2,592,140.73 and 1,291,507.16

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Solution

The fourth proportional to 1,880,225.69, 2,592,140.73 and 1,291,507.16 is: 1,780,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,225.69 : 2,592,140.73 = 1,291,507.16 : x
  2. Step 2: Convert to fraction form
    1,880,225.69/2,592,140.73 = 1,291,507.16/x
  3. Step 3: Cross multiply
    1,880,225.69x = 2,592,140.73 × 1,291,507.16
  4. Step 4: Simplify right side
    1,880,225.69x = 3,347,768,312,522.63
  5. Step 5: Solve for x
    x = 3,347,768,312,522.63/1,880,225.69
  6. Step 6: Final answer
    x = 1,780,514.08

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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.