Home / 2,048,802.40-3,075,730.80-1,290,642.40

Finding the Fourth Proportional to 2,048,802.40, 3,075,730.80 and 1,290,642.40

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Solution

The fourth proportional to 2,048,802.40, 3,075,730.80 and 1,290,642.40 is: 1,937,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,802.40 : 3,075,730.80 = 1,290,642.40 : x
  2. Step 2: Convert to fraction form
    2,048,802.40/3,075,730.80 = 1,290,642.40/x
  3. Step 3: Cross multiply
    2,048,802.40x = 3,075,730.80 × 1,290,642.40
  4. Step 4: Simplify right side
    2,048,802.40x = 3,969,668,581,465.92
  5. Step 5: Solve for x
    x = 3,969,668,581,465.92/2,048,802.40
  6. Step 6: Final answer
    x = 1,937,555.61

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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.