Home / 2,938,547.12-4,054,972.67-1,649,138.40

Finding the Fourth Proportional to 2,938,547.12, 4,054,972.67 and 1,649,138.40

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Solution

The fourth proportional to 2,938,547.12, 4,054,972.67 and 1,649,138.40 is: 2,275,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,547.12 : 4,054,972.67 = 1,649,138.40 : x
  2. Step 2: Convert to fraction form
    2,938,547.12/4,054,972.67 = 1,649,138.40/x
  3. Step 3: Cross multiply
    2,938,547.12x = 4,054,972.67 × 1,649,138.40
  4. Step 4: Simplify right side
    2,938,547.12x = 6,687,211,141,047.53
  5. Step 5: Solve for x
    x = 6,687,211,141,047.53/2,938,547.12
  6. Step 6: Final answer
    x = 2,275,686.20

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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.