Home / 1,538,402.40-2,307,603.60-1,527,904.80

Finding the Fourth Proportional to 1,538,402.40, 2,307,603.60 and 1,527,904.80

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Solution

The fourth proportional to 1,538,402.40, 2,307,603.60 and 1,527,904.80 is: 2,291,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,402.40 : 2,307,603.60 = 1,527,904.80 : x
  2. Step 2: Convert to fraction form
    1,538,402.40/2,307,603.60 = 1,527,904.80/x
  3. Step 3: Cross multiply
    1,538,402.40x = 2,307,603.60 × 1,527,904.80
  4. Step 4: Simplify right side
    1,538,402.40x = 3,525,798,616,937.28
  5. Step 5: Solve for x
    x = 3,525,798,616,937.28/1,538,402.40
  6. Step 6: Final answer
    x = 2,291,857.20

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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.